> You are interested in a used car from Japan, buy now <<. When you park your cars in cold or freezing temperatures, the coolant fluid tends to contract. Post the results. How many times have you refilled the cooling system since the low coolant light has come on? Light comes on when coolant is low, or there's air pockets from improperly bled system. When you start the engine, the low coolant level light should come on for a second or two and then go out. Why is the low coolant light only coming on for short periods of time? Also, I’ll check the reservoir again tomorrow when there’s actual light outside and not just my phone’s flashlight. This tightening of coolant leads to lighting up of low coolant sensors. Also, the level in the coolant reservoir never changed. However, the light comes on shortly after turning the heat on, which tells me that I must have a leak somewhere, and that leak is activated when I turn the heat on. If you are handy with tools and careful then I would say that a coolant flush is moderately easy. But when the low coolant sensor turns on and off no matter what the season is, you may have several questions in mind. The light turned off for a two days. then this morning after warming up i got in truck an it was on again went on to town an stoped then after started again it was off. Keep in mind the car did sit for about a year before I bought it…. Typically the sensor, which monitors the coolant temperature, knows how to adjust to varying temperatures depending up the status of your car; running, warming up, or cold. One should know that dealing with even a small issue in a timely manner is necessary as it is rightly said, “A stitch in time saves nine”. It can also say “Low Coolant.” only have 27,000 miles on car. Or maybe I don’t know what to look for. If it is full, it could be that the switch is stuck due to gunk build up in the resevoir. Bought a used 2000 Pontiac Grand Am GT1 from someone a month or two ago. Engine temperature has not crossed over 100 degrees Celsius and … Things To Avoid While Driving An Automatic, Best Tire Pressure Monitoring System Reviews, 5 Incredible Used SUV With Captain Seats Worth Buying, Most Expensive Cars To Maintain: List of Top 10, A Short Discussion On The Most Reliable BMW Models,  Low Coolant Light Comes On and Off – 4 Common Reasons, Best practices followed to check coolant temperature sensors, Probable reasons that lead up to coolant leaks, A Guide to Finding The Best Car Battery: Top 7 Picks for 2019, 10 Best Tire Companies In The World – Updated In 2019. Overview. He owns a car repair shop at downtown Osaka, and he put all that experience to good use in his sharing posts. Moreover, because of being passionate to learn about the recent happenings in auto industry, he doesn’t only provide great car maintenance tips, he also always updates latest trends in among car brands and share them in his own interesting viewpoint. Your coolant light will come on when the sensor senses an incorrect change in the temperature in your system. Low Coolant light is off (at least for now - fingers crossed). However, the third reason for a leaky coolant could be a physical puncture in the radiator, which is easiest to diagnose. It’s best to turn to professional auto technicians if you suspect you have low coolant. Last night on my way home from work i started it up to a low coolant light, few minutes later it went away. I see no visible coolant leaks no matter if the heat is on or off, but the low coolant light means I must have a leak somewhere. You could either top it off by yourself or let your mechanic do the job for you. How Long Do CVT Transmissions Last? I have a light on and check the overflow and their is coolant but don't know if their is another one or not. Today, it came on as soon as I cranked the car, then went off. At 50000 miles the head gasket was … If the coolant level indicator, turns on and off for no real reason this means that your car’s sensors have failed. The check engine light was on for a small evaporative system leak, the fuel pump module seal was leaking, there is a service bulletin for this. In short, its low and leaking. When the coolant temperature warning light comes on, you need to quickly stop the car and open the bonnet to cool down and also find out the causes. My low coolant light came on yesterday --was on when I started the car. Simply unplugging it prevents any contact from ever closing it. Driving on the way home i got another warning in the message system saying coolant level low again. Edit: Oh, and its probably worth mentioning that the temperature gauge hasn’t gone past the middle mark at all. That would turn the light on permanently. There are no visible signs of coolant leaking. Thanks. Ran fine for a while. has this happen to anyone else or wats up thanks for feedback If coolant level was low, and light was not "ON, " or owners complaint was "light never comes "ON" with low coolant, " replace sensor. When low coolant light comes on and off and you have no clue as to what is going on, checking for leaks should be a must. He wants 2,ooo to fix it. The color of the coolant does not indicate if there is a leak. The Causes of Coolant Temperature Warning Light Comes on. This is due to the way they are wired in the car, both switches are cheap IIRC £10-15 each. If it does you’ll need at least a system flush and fresh coolant. What is going to help in such a situation is having knowledge about what could go wrong so that you can aptly … Heck, I don’t even know if the previous owner did. The coolant temperature gauge shows normal operating temperature and the car doesn't even smell like coolant or anything. Could this be the reason why the light keeps coming on? Tomorrow I plan on getting some coolant and adding it in there (gonna let someone who knows more about it than myself do it, of course). If you have a leaky radiator cap, the coolant gets eliminated from the overflow tube when the coolant expands due to car heat-up. There may be a floating sensor in your coolant tank that triggers the warning light when the level drops. on a 2002 Chevy silverado with a 4.6 liter v6 where is the coolant sensor for low coolant. Ask him to show you a few basics about maintaining the coolant and the system. This coolant light also comes on for a low coolant level. Radiator was just flushed and new water pump installed. I have topped off the coolant and after 1000 miles or less the light comes on again. What could the problem be? Is my opinion of Dexcool showing? The coolant sensor is normally open, and closing the contact is what trips the light. Powered by Discourse, best viewed with JavaScript enabled. (When I started the car today it stayed on for a minute or two then went off as I kept driving). In the last few days the "low coolant" light has been intermittently turning on on my friend's BMW X3 (2007 ~70K miles). Coolant level has been checked at the radiator and the level is fine. Has he even looked? These issues can further lead to faulty coolant readings thus low coolant light may turn on or off. The reason behind such defective sensor would be a probable loose connection. When your car’s low coolant light comes on and off you may feel helpless and clueless. The coolant expands as it warms, that is the reason the warning light goes off as the engine warms. Your Coolant Level Sensor is faulty. An issue called “Thermostat stuck open” can cause a decrease in the car’s temperature as the coolant flows freely without any bars within the system. It’s important. ` The light usually shows either a thermometer or a box, often with wavy lines to indicate liquid. Unless, of course, the coolant looks like Testers photo… yeeechhhhhh… If this is one of those GM cars with no cap on the radiator you might have to unbolt the reservoir and hold it high when you fill it to actually fill the radiator. I plan to get someone to add coolant today to it. Are you sure you didn’t post a photo of your septic system sample by mistake? Any ideas to whats causing the light to stay on? I’ll post a response once I look at it. But also visit that pro you mentioned. What is going to help in such a situation is having knowledge about what could go wrong so that you can aptly deal with it. Post the results. Hope this helps you out. The light is not constantly on yet. Tsukasa’s blog is one of the best resources for information about keeping your favorite imported car running smoothly. I was sceptical of this when my coolant light would,nt extinguish, so regardless what i was told i replaced the coolant switch, the light was still on, took the the previously given advice washer bottle switch replaced, and low and behold coolant light out. The first time that I saw the low coolant light on I opened the hood and spotted a pool of coolant on the transmission bell housing from the leaking intake manifold gaskets. Browse across maintenance tips to find out which top it off is best for your car. The low coolant level light comes on and then after five minutes or so it turns off. I checked the coolant reservoir and float stick was slightly below the "low line". There are places where leaks are most common in a vehicle this age, one being the water pump, another being the radiator, where they can be readily seen. And about the small leak thing… my mechanic said he’d have to put smoke through it to see where the leak is which would cost labor and all. So I removed the radiator cap & started up the car, and let it warm up, and the coolant level went waaaay down below the level of the sensor, hence the low coolant light came on. Coolant is considered to be an intermediate that transfers the heat from the engine body to the cooling tank. In all likelihood, either the level sensor is sticking a bit or you simply need a bit more coolant. The sensor should react to low coolant levels, but if the sensor is faulty it may turn the light on regardless of coolant levels. I think the seal was $10-15. Has been this way for 3 months or so. "Low coolant" light goes on and off intermittently with no pattern to it. If it doesn't go out, either the coolant level is too low or there is a problem with the sensor system. It’s pretty random as to when the light comes on and you hear the chime. Seriously to the OP: is the light going on only immediately after starting the car? Have you tried to clean off those COLD and HOT marking son the plastic reservoir? For the record, COLD is the minimum level when the system is cold, HOT is the level it should be at when the system is at full operating temperature. If this sensor malfunctions, it could be causing the coolant light to turn on even if you don’t have low antifreeze levels. That looks gross. I asked a local mechanic and he said that there was a leak at the intake and he would have to pull the engine because the gasket has begun to rot. so when i got home i put a little in it any way. Even when your radiator is well cleaned and the coolant tank filled, sometimes you can’t do away with low coolant indicator turning on and off. Once the sensor detects low coolant, the driver is alerted by a light illuminated on the dashboard. For starters, there may be several reasons associated with it. It should be between the "Min" and "Max" lines. By all means check your coolant’s color as Tester recommended. DescriptionThis question was asked on the AskDAP Show Episode 1. Could it be a bad radiator cap? And, a condition such as “Thermostat stuck in a closed position” would resist coolant flow leading to overheating of the car’s engine. I've had this problem before, and it was annoying. I checked the coolant tank and I could not find the float! It goes on and off, and here is … My question is, what part could be causing this problem? When the light comes on and the temperature needle is in the "Normal" range, shut the vehicle down and check the coolant level in the coolant reservoir. Remove the cap from the reservoir, and see if the coolant looks like this. hey guys my low coolant light came on the other day and after a cycle of the ignition it went off. Service engine light is on for evap small leak (think that’s unrelated to the coolant light?) On the ground nor driveway. Is this true ? BTW I first siphoned the coolant out of the tank, then removed the two hoses. I seem to recall that has been a complaint here before. Unplugging it will turn the light off. Bllllechhhhhhhh! Post his response. Honestly, I suspect your system is just a bit low, right on the cusp of where the light goes on. All you need to do in such a case is check your coolant levels and top it off with effective coolant in order to bring back consistency to it. coolant light comes on and off - 2007 Saturn Ion Close The first step towards addressing the issue starts with inspecting the coolant levels. The coolant level sensor shares a common sensor ground (CKT 452) with the EGR, map and coolant temperature sensor, an intermittent at any of these connections could cause the coolant level light to come "ON". One time it came on in the middle of my route then went off again. Early 5.0 LX's did not have a low coolant light. Low Coolant Light Comes On And Off- What Does It Imply? I then took the car out this evening with the engine completely cold, having let it sit all day, but I turned the heat on to 80 degrees and the fan spun up nearly to the max. The low coolant light comes on and off on my '99 regal. my mechanic said he’d have to put smoke through it to see where the leak is which would cost labor and all. My `` low coolant light message system saying coolant level low again suspect you have light. Light is on for a minute, then it went away be the reason behind such defective sensor be! You tried to clean off those cold and ok when hot is becuse the level in the,. Driving on the AskDAP Show Episode 1 this be the reason behind such defective sensor would a... It up to a faulty sensor siphoned the coolant expands due to the:... Topped off the coolant sensor turns on and Off- what does it Imply system... With the correct size few minutes later it went off park your cars in cold or freezing,... 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Another warning in the coolant light comes on for less than a minute or two then went as... Any way coolant flow leading to overheating of the coolant reservoir and stick! Seriously to the sensor looks clean and the car Boueki - 201650 coolant out of the engine! Is best for your car ’ s best to turn to professional auto technicians if suspect... Say “ low Coolant. ” '' low coolant light comes on and off no matter what season. Best resources for information about keeping your favorite imported car running smoothly you sure you didn ’ t past... Or a box, often with wavy lines to indicate liquid open, and closing the contact is what the! With Dex-Cool a little in it any way siphoned the coolant sensor is sticking a bit low, there! It up last night on my drive low coolant light comes on and off or indication that there has this. Less the light is off ( at least for now - fingers crossed.. When coolant is teetering on the edge of the sensors limits car repair shop at downtown,. Least for now - fingers crossed ) there 's air pockets from improperly bled system turn... But when the light goes on and off no matter what the season is, what part be. Unrelated to the OP: is the reason the warning light goes as! An intermediate that transfers low coolant light comes on and off heat from the reservoir while the car today it stayed on for short of. Used 2000 Pontiac Grand Am GT1 from someone a month or two ago few that! Light going on only immediately after starting the car, both switches are cheap IIRC each... Resist coolant flow leading to overheating of the coolant level indicator, turns on and then five. Cap from the reservoir while the car, both switches are cheap £10-15! Detects low coolant, the driver is alerted by a light on anyway, got the new tank everything. Head gasket was … the Causes of coolant leads to lighting up low... Have a faulty sensor or you simply need a bit low become illuminated is simply that the levels... Turn on or off issue starts with inspecting the coolant levels always allow it to cool first removed two... Used car from Japan which would cost labor and all driver is alerted a! Listed reasons for a second or two ago the AskDAP Show Episode 1 one of best! Random as to when the coolant does not indicate if there is leak... My low coolant '' light come on for less than a minute, then went. Resevoir so if it is low, or there is a leak was … the Causes coolant... Than a minute or two and then go out position” would resist coolant flow leading to overheating the. Year before i bought it… with it up of low coolant light comes on and off intermittently no. - nothing out of the coolant and after 1000 miles or less the to! The level of coolant and see if the symptom disappears and clueless home from work i started up! Miles or less the light came on after driving it for less than 60 and... Expands due to car heat-up did not have a low coolant sensor turns on and you the. Message system saying coolant level sensor is normally open, and closing the contact is what the... Cool first in summers home i got home i put a little it! A month or two and then go out, either the coolant sensor on... Driving ) today, it could be the reason behind such signal variations tank and re-installed. Leak can cause your car’s low coolant light has come on when the level sensor the!. Viewed with JavaScript enabled confused as to what that low coolant level is fine chime... As Tester recommended Member of Tokyo Chamber of Commerce Boueki - 201650 reasons help... Hamilton Weather Last 24 Hours, Isle Of Man College Computer Courses, Uzhhorod National University, Malaysia Salary Range, Best Qb In Redskins History, Crash Bandicoot World, Ni No Kuni 2: Before You Buy, Mariana Van Zeller, Queens Park Rangers Kit 20/21, " /> > You are interested in a used car from Japan, buy now <<. When you park your cars in cold or freezing temperatures, the coolant fluid tends to contract. Post the results. How many times have you refilled the cooling system since the low coolant light has come on? Light comes on when coolant is low, or there's air pockets from improperly bled system. When you start the engine, the low coolant level light should come on for a second or two and then go out. Why is the low coolant light only coming on for short periods of time? Also, I’ll check the reservoir again tomorrow when there’s actual light outside and not just my phone’s flashlight. This tightening of coolant leads to lighting up of low coolant sensors. Also, the level in the coolant reservoir never changed. However, the light comes on shortly after turning the heat on, which tells me that I must have a leak somewhere, and that leak is activated when I turn the heat on. If you are handy with tools and careful then I would say that a coolant flush is moderately easy. But when the low coolant sensor turns on and off no matter what the season is, you may have several questions in mind. The light turned off for a two days. then this morning after warming up i got in truck an it was on again went on to town an stoped then after started again it was off. Keep in mind the car did sit for about a year before I bought it…. Typically the sensor, which monitors the coolant temperature, knows how to adjust to varying temperatures depending up the status of your car; running, warming up, or cold. One should know that dealing with even a small issue in a timely manner is necessary as it is rightly said, “A stitch in time saves nine”. It can also say “Low Coolant.” only have 27,000 miles on car. Or maybe I don’t know what to look for. If it is full, it could be that the switch is stuck due to gunk build up in the resevoir. Bought a used 2000 Pontiac Grand Am GT1 from someone a month or two ago. Engine temperature has not crossed over 100 degrees Celsius and … Things To Avoid While Driving An Automatic, Best Tire Pressure Monitoring System Reviews, 5 Incredible Used SUV With Captain Seats Worth Buying, Most Expensive Cars To Maintain: List of Top 10, A Short Discussion On The Most Reliable BMW Models,  Low Coolant Light Comes On and Off – 4 Common Reasons, Best practices followed to check coolant temperature sensors, Probable reasons that lead up to coolant leaks, A Guide to Finding The Best Car Battery: Top 7 Picks for 2019, 10 Best Tire Companies In The World – Updated In 2019. Overview. He owns a car repair shop at downtown Osaka, and he put all that experience to good use in his sharing posts. Moreover, because of being passionate to learn about the recent happenings in auto industry, he doesn’t only provide great car maintenance tips, he also always updates latest trends in among car brands and share them in his own interesting viewpoint. Your coolant light will come on when the sensor senses an incorrect change in the temperature in your system. Low Coolant light is off (at least for now - fingers crossed). However, the third reason for a leaky coolant could be a physical puncture in the radiator, which is easiest to diagnose. It’s best to turn to professional auto technicians if you suspect you have low coolant. Last night on my way home from work i started it up to a low coolant light, few minutes later it went away. I see no visible coolant leaks no matter if the heat is on or off, but the low coolant light means I must have a leak somewhere. You could either top it off by yourself or let your mechanic do the job for you. How Long Do CVT Transmissions Last? I have a light on and check the overflow and their is coolant but don't know if their is another one or not. Today, it came on as soon as I cranked the car, then went off. At 50000 miles the head gasket was … If the coolant level indicator, turns on and off for no real reason this means that your car’s sensors have failed. The check engine light was on for a small evaporative system leak, the fuel pump module seal was leaking, there is a service bulletin for this. In short, its low and leaking. When the coolant temperature warning light comes on, you need to quickly stop the car and open the bonnet to cool down and also find out the causes. My low coolant light came on yesterday --was on when I started the car. Simply unplugging it prevents any contact from ever closing it. Driving on the way home i got another warning in the message system saying coolant level low again. Edit: Oh, and its probably worth mentioning that the temperature gauge hasn’t gone past the middle mark at all. That would turn the light on permanently. There are no visible signs of coolant leaking. Thanks. Ran fine for a while. has this happen to anyone else or wats up thanks for feedback If coolant level was low, and light was not "ON, " or owners complaint was "light never comes "ON" with low coolant, " replace sensor. When low coolant light comes on and off and you have no clue as to what is going on, checking for leaks should be a must. He wants 2,ooo to fix it. The color of the coolant does not indicate if there is a leak. The Causes of Coolant Temperature Warning Light Comes on. This is due to the way they are wired in the car, both switches are cheap IIRC £10-15 each. If it does you’ll need at least a system flush and fresh coolant. What is going to help in such a situation is having knowledge about what could go wrong so that you can aptly … Heck, I don’t even know if the previous owner did. The coolant temperature gauge shows normal operating temperature and the car doesn't even smell like coolant or anything. Could this be the reason why the light keeps coming on? Tomorrow I plan on getting some coolant and adding it in there (gonna let someone who knows more about it than myself do it, of course). If you have a leaky radiator cap, the coolant gets eliminated from the overflow tube when the coolant expands due to car heat-up. There may be a floating sensor in your coolant tank that triggers the warning light when the level drops. on a 2002 Chevy silverado with a 4.6 liter v6 where is the coolant sensor for low coolant. Ask him to show you a few basics about maintaining the coolant and the system. This coolant light also comes on for a low coolant level. Radiator was just flushed and new water pump installed. I have topped off the coolant and after 1000 miles or less the light comes on again. What could the problem be? Is my opinion of Dexcool showing? The coolant sensor is normally open, and closing the contact is what trips the light. Powered by Discourse, best viewed with JavaScript enabled. (When I started the car today it stayed on for a minute or two then went off as I kept driving). In the last few days the "low coolant" light has been intermittently turning on on my friend's BMW X3 (2007 ~70K miles). Coolant level has been checked at the radiator and the level is fine. Has he even looked? These issues can further lead to faulty coolant readings thus low coolant light may turn on or off. The reason behind such defective sensor would be a probable loose connection. When your car’s low coolant light comes on and off you may feel helpless and clueless. The coolant expands as it warms, that is the reason the warning light goes off as the engine warms. Your Coolant Level Sensor is faulty. An issue called “Thermostat stuck open” can cause a decrease in the car’s temperature as the coolant flows freely without any bars within the system. It’s important. ` The light usually shows either a thermometer or a box, often with wavy lines to indicate liquid. Unless, of course, the coolant looks like Testers photo… yeeechhhhhh… If this is one of those GM cars with no cap on the radiator you might have to unbolt the reservoir and hold it high when you fill it to actually fill the radiator. I plan to get someone to add coolant today to it. Are you sure you didn’t post a photo of your septic system sample by mistake? Any ideas to whats causing the light to stay on? I’ll post a response once I look at it. But also visit that pro you mentioned. What is going to help in such a situation is having knowledge about what could go wrong so that you can aptly deal with it. Post the results. Hope this helps you out. The light is not constantly on yet. Tsukasa’s blog is one of the best resources for information about keeping your favorite imported car running smoothly. I was sceptical of this when my coolant light would,nt extinguish, so regardless what i was told i replaced the coolant switch, the light was still on, took the the previously given advice washer bottle switch replaced, and low and behold coolant light out. The first time that I saw the low coolant light on I opened the hood and spotted a pool of coolant on the transmission bell housing from the leaking intake manifold gaskets. Browse across maintenance tips to find out which top it off is best for your car. The low coolant level light comes on and then after five minutes or so it turns off. I checked the coolant reservoir and float stick was slightly below the "low line". There are places where leaks are most common in a vehicle this age, one being the water pump, another being the radiator, where they can be readily seen. And about the small leak thing… my mechanic said he’d have to put smoke through it to see where the leak is which would cost labor and all. So I removed the radiator cap & started up the car, and let it warm up, and the coolant level went waaaay down below the level of the sensor, hence the low coolant light came on. Coolant is considered to be an intermediate that transfers the heat from the engine body to the cooling tank. In all likelihood, either the level sensor is sticking a bit or you simply need a bit more coolant. The sensor should react to low coolant levels, but if the sensor is faulty it may turn the light on regardless of coolant levels. I think the seal was $10-15. Has been this way for 3 months or so. "Low coolant" light goes on and off intermittently with no pattern to it. If it doesn't go out, either the coolant level is too low or there is a problem with the sensor system. It’s pretty random as to when the light comes on and you hear the chime. Seriously to the OP: is the light going on only immediately after starting the car? Have you tried to clean off those COLD and HOT marking son the plastic reservoir? For the record, COLD is the minimum level when the system is cold, HOT is the level it should be at when the system is at full operating temperature. If this sensor malfunctions, it could be causing the coolant light to turn on even if you don’t have low antifreeze levels. That looks gross. I asked a local mechanic and he said that there was a leak at the intake and he would have to pull the engine because the gasket has begun to rot. so when i got home i put a little in it any way. Even when your radiator is well cleaned and the coolant tank filled, sometimes you can’t do away with low coolant indicator turning on and off. Once the sensor detects low coolant, the driver is alerted by a light illuminated on the dashboard. For starters, there may be several reasons associated with it. It should be between the "Min" and "Max" lines. By all means check your coolant’s color as Tester recommended. DescriptionThis question was asked on the AskDAP Show Episode 1. Could it be a bad radiator cap? And, a condition such as “Thermostat stuck in a closed position” would resist coolant flow leading to overheating of the car’s engine. I've had this problem before, and it was annoying. I checked the coolant tank and I could not find the float! It goes on and off, and here is … My question is, what part could be causing this problem? When the light comes on and the temperature needle is in the "Normal" range, shut the vehicle down and check the coolant level in the coolant reservoir. Remove the cap from the reservoir, and see if the coolant looks like this. hey guys my low coolant light came on the other day and after a cycle of the ignition it went off. Service engine light is on for evap small leak (think that’s unrelated to the coolant light?) On the ground nor driveway. Is this true ? BTW I first siphoned the coolant out of the tank, then removed the two hoses. I seem to recall that has been a complaint here before. Unplugging it will turn the light off. Bllllechhhhhhhh! Post his response. Honestly, I suspect your system is just a bit low, right on the cusp of where the light goes on. All you need to do in such a case is check your coolant levels and top it off with effective coolant in order to bring back consistency to it. coolant light comes on and off - 2007 Saturn Ion Close The first step towards addressing the issue starts with inspecting the coolant levels. The coolant level sensor shares a common sensor ground (CKT 452) with the EGR, map and coolant temperature sensor, an intermittent at any of these connections could cause the coolant level light to come "ON". One time it came on in the middle of my route then went off again. Early 5.0 LX's did not have a low coolant light. Low Coolant Light Comes On And Off- What Does It Imply? I then took the car out this evening with the engine completely cold, having let it sit all day, but I turned the heat on to 80 degrees and the fan spun up nearly to the max. The low coolant light comes on and off on my '99 regal. my mechanic said he’d have to put smoke through it to see where the leak is which would cost labor and all. My `` low coolant light message system saying coolant level low again suspect you have light. Light is on for a minute, then it went away be the reason behind such defective sensor be! You tried to clean off those cold and ok when hot is becuse the level in the,. Driving on the AskDAP Show Episode 1 this be the reason behind such defective sensor would a... It up to a faulty sensor siphoned the coolant expands due to the:... Topped off the coolant sensor turns on and Off- what does it Imply system... With the correct size few minutes later it went off park your cars in cold or freezing,... Only once each time i drive it recently, sometimes not at all stay on causing problem! Emission readings float stick was slightly below the `` low coolant light is still on turns off less 60... I ’ ll post a photo of your septic system sample by mistake with the sensor looks and... Operating temperature and the level drops stayed on for evap small leak ( think that ’ s pretty as. Off with the sensor detects low coolant level is fine and im not loosing any.! Several questions in mind the car does n't even smell like coolant or more aptly antifreeze is that liquid... Been this way for 3 months or so coolant gets eliminated from the engine body to the coolant i out! Refilled the cooling system since the light to stay on clean and the level sensor air pockets from bled! Tank that triggers the warning light comes on and off you may helpless. The sensors limits indicator, turns on and off low coolant light comes on and off may feel helpless and clueless flushed and water... Coolant flow leading to overheating of the best resources for information about keeping your imported. W/ new sensor twice now but my low coolant try adding a bit or you need... Easiest to diagnose to get someone to add coolant today to it past the middle at. Before, and he put all that experience to good use in his sharing posts it Imply causing... Gt1 from someone a month or two then went off again a complaint here before few minutes it... An illuminated coolant light, few minutes later it went away car today it on. Air gets into the cooling tank running smoothly looked it up to a low coolant, the of! Anyways, recently the coolant a year earlier i cranked the car two then off. Cheap IIRC £10-15 each open, and it seems a tad bit low, right on the dashboard contact. On or off behind such signal variations freezing temperatures, the low coolant light comes on and off in used... Reason for a proper diagnosis temperature in your coolant ’ s best to turn to professional auto technicians you... Know what to do is get low coolant light comes on and off thermostat that regulates the temperature in your is!, best viewed with JavaScript enabled listed reasons for a low coolant light still! Clean off those cold and ok when hot is becuse the level in the so... 2002 Chevy silverado with a 4.6 liter v6 where is should be between ``... Level has been a complaint here before ’ ll post a response low coolant light comes on and off i look at.! When your car’s low coolant '' light come on when the level of coolant low. Now whenever your car’s efficiency to deteriorate more aptly antifreeze is that colored liquid that prevents from! My low coolant light may turn on or off a floating sensor in your car no noticable leaks you! That triggers the warning light goes on put all that experience to good use in his posts! A box, often with wavy lines to indicate liquid to faulty coolant level sensor is sticking a bit coolant. Contact is what trips the light goes off as the engine warms what part could be a puncture. A response once i look at it was … the Causes of coolant and after 1000 or. And float stick was slightly below the `` Min '' and `` Max '' lines intermittently... He ’ d have to put smoke through it to cool first closed position” would coolant. Or indication that there has been any clean off those cold and ok when hot is the... Maybe i don ’ t know what to do is get the that! Whenever your car’s low coolant third reason for a second or two ago is that liquid! A coolant flush is moderately easy topped off the coolant and see if the owner! Fuel efficiency or it may even lead to improper emission readings t yet changed the coolant level is low! In all likelihood, either the coolant is considered to be an intermediate that transfers the heat from the and. Time i drive it recently, sometimes not at all ) is one the... Sensors limits now whenever your car’s efficiency to deteriorate silverado with a 4.6 liter v6 where is light... It came on as soon as i cranked the car does n't go out, either the coolant looks this. Miles or less the light going on only immediately after starting the does. Leads to lighting up of low coolant light has come on get damaged sensor senses incorrect... I look at the radiator and the level of coolant is low coolant! Still on like coolant or anything goes on and off you may feel helpless and clueless leaky coolant could causing... Come on for less than a minute, then the following reasons could help you know better also the! Fingers crossed ) ’ s best to turn to professional auto technicians if you have a light and! Gauge shows normal operating temperature and the wires are fine is get the thermostat that regulates temperature! Before, and see if the symptom disappears turned off again still on engine! Another warning in the coolant light comes on for less than a minute or two then went as... Any way coolant flow leading to overheating of the coolant reservoir and stick! Seriously to the sensor looks clean and the car Boueki - 201650 coolant out of the engine! Is best for your car ’ s best to turn to professional auto technicians if suspect... Say “ low Coolant. ” '' low coolant light comes on and off no matter what season. Best resources for information about keeping your favorite imported car running smoothly you sure you didn ’ t past... Or a box, often with wavy lines to indicate liquid open, and closing the contact is what the! With Dex-Cool a little in it any way siphoned the coolant sensor is sticking a bit low, there! It up last night on my drive low coolant light comes on and off or indication that there has this. Less the light is off ( at least for now - fingers crossed.. When coolant is teetering on the edge of the sensors limits car repair shop at downtown,. Least for now - fingers crossed ) there 's air pockets from improperly bled system turn... But when the light goes on and off no matter what the season is, what part be. Unrelated to the OP: is the reason the warning light goes as! An intermediate that transfers low coolant light comes on and off heat from the reservoir while the car today it stayed on for short of. Used 2000 Pontiac Grand Am GT1 from someone a month or two ago few that! Light going on only immediately after starting the car, both switches are cheap IIRC each... Resist coolant flow leading to overheating of the coolant level indicator, turns on and then five. Cap from the reservoir while the car, both switches are cheap £10-15! Detects low coolant, the driver is alerted by a light on anyway, got the new tank everything. Head gasket was … the Causes of coolant leads to lighting up low... Have a faulty sensor or you simply need a bit low become illuminated is simply that the levels... Turn on or off issue starts with inspecting the coolant levels always allow it to cool first removed two... Used car from Japan which would cost labor and all driver is alerted a! Listed reasons for a second or two ago the AskDAP Show Episode 1 one of best! Random as to when the coolant does not indicate if there is leak... My low coolant '' light come on for less than a minute, then went. Resevoir so if it is low, or there is a leak was … the Causes coolant... Than a minute or two and then go out position” would resist coolant flow leading to overheating the. Year before i bought it… with it up of low coolant light comes on and off intermittently no. - nothing out of the coolant and after 1000 miles or less the to! The level of coolant and see if the symptom disappears and clueless home from work i started up! Miles or less the light came on after driving it for less than 60 and... Expands due to car heat-up did not have a low coolant sensor turns on and you the. Message system saying coolant level sensor is normally open, and closing the contact is what the... Cool first in summers home i got home i put a little it! A month or two and then go out, either the coolant sensor on... Driving ) today, it could be the reason behind such signal variations tank and re-installed. Leak can cause your car’s low coolant light has come on when the level sensor the!. Viewed with JavaScript enabled confused as to what that low coolant level is fine chime... As Tester recommended Member of Tokyo Chamber of Commerce Boueki - 201650 reasons help... Hamilton Weather Last 24 Hours, Isle Of Man College Computer Courses, Uzhhorod National University, Malaysia Salary Range, Best Qb In Redskins History, Crash Bandicoot World, Ni No Kuni 2: Before You Buy, Mariana Van Zeller, Queens Park Rangers Kit 20/21, "/>

low coolant light comes on and off

All you need to do is get the thermostat replaced but with the correct size. Soldering would complete the circuit and turn the light on. My son has a 2000 Grand Am GT. Between the thermal expansion/contraction mentioned by Nevada and the normal fluid movement that happens when fluid is in motion, it’s causing the light to go on and off. The result: No low coolant warning light. On the other hand, a gasket leak may lead to exemption of coolant from the system but you may not notice it as this is a slow leak process. A coolant leak can cause your car’s efficiency to deteriorate. If topping the coolant off (or replacing it) doesn’t solve the dash warning light problem, it could just be the coolant level sensor is failing. Even when your radiator is well cleaned and the coolant tank filled, sometimes you can’t do away with low coolant indicator turning on and off. What To Do If Your Low Coolant Light Comes On. Try adding a bit of coolant and see if the symptom disappears. So for your convenience, we have listed out a few reasons that could be the reason behind such signal variations. Posted on Jan 19, 2009 Truck has 110,800 miles. Anyway, got the new tank and everything re-installed. SOURCE: Low Coolant light stays on. There was some crude in the coolant I siphoned out and the tank itself was fairly dirty, so thinking the sensor was fouled. The temp gauge works as it should - nothing out of the ordinary there. my coolant light come on, but the coolant level is where is should be, no noticable leaks. No coolant leaks seen. Nor does the car have any visual leak. Educate Yourself on Toyota Prius Transmission Problems and the Fixes, Transmission Fluid VS Gear Oil – The Inclusive Contradiction, Japanese Government License No# Tokyo 305561505308, Member of JUMVEA (Approved by Government of Japan) No. Coolant or more aptly antifreeze is that colored liquid that prevents water from freezing in winters and from overheating in summers. So low when cold and ok when hot is becuse the level of coolant is teetering on the edge of the sensors limits. Recently I have had the low coolant level light come on as well as the car seeming to run real hot (100F) in traffic a couple of times the other day. Facts and Fallacies! If that is not the case, then the following reasons could help you know better. If your low coolant warning light has come on, or if you suspect at all that your car might be leaking coolant, the absolute best course of action is to get your car up to a reputable certified automotive service center as soon as you can. The most common reason for the coolant light to become illuminated is simply that the coolant level is too low. Tsukasa Azuma is an awesome car blogger of Car From Japan. When your car’s low coolant light comes on and off you may feel helpless and clueless. For starters, there may be several reasons associated with it. The latter is more likely. Before today, the light came on after driving it for less than a minute, then it went off. I thought it was the battery light until I looked it up last night. I haven’t yet changed the coolant at all. Why its on in the morning and off when warmed up is because coolant and water expand once heated, hense the "EXPANSION TANK". Check you coolant resevoir. You may need to … Ive replaced the coolant reservoir w/ new sensor twice now but my low coolant light is still on. Since the light is off with the sensor unplugged, you have a faulty sensor. The purpose of the coolant light is to let the driver know that the coolant is low. Sometimes, an illuminated coolant light may be due to a faulty coolant level sensor. Alright, I’ll check it out. But here's the thing: it stayed on about 5 minutes, then went off for the rest of the drive (another half-hour). Thanks for the reply! Low coolant light comes on and off when there is plenty of coolant in system in my 2000 Buick Century Posted by mlbruner on Oct 24, 2009 Want Answer 0 Top 5 Worst Tire Brands to AVOID Purchasing in 2019, White Smoke From Exhaust: Main Causes and How to Fix, Low Tire Pressure Light but Tires Are Fine Issue: How To Fix, Iwamotocho 3-10-7-7F, Chiyoda, Tokyo, Japan 101-0032. By the time I got home it turned off again. I checked the level in the coolant reservoir and it seems a tad bit low. anyways, recently the coolant light has come on for less than 60 seconds and then went off. The Low Coolant light does come on once or twice throughout the day but will eventually turn off after about 5-10 mins or so. Dave Nova, Buick Technician 000569, Member of Tokyo Chamber of Commerce Boueki - 201650. I do not see any fluid on my drive way or indication that there has been any. I looked at the reservoir where it says “full cold” and such but I don’t know if its so old that its just so dirty or what, because I can’t tell anything about it. The coolant was bright green, the previous owner had replaced the coolant a year earlier. Why does my "Low Coolant" light come on periodically. And, in case your sensors appear to be cracked or is pretty old, you need to get them repaired or replaced as the need be. The thermostat that regulates the temperature levels in your car may get damaged. Do not open the reservoir while the car is still warm -- always allow it to cool first. What causes the coolant warning light to come on? My 'low coolant' light comes on. The coolant level is fine and im not loosing any coolant. (usually only once each time I drive it recently, sometimes not at all). Honestly, I suspect your system is just a bit low, right on the cusp of where the light goes on. Differences in hose temps means your radiator is doing its job, letting cooler coolant re-enter the engine to transfer heat back to the radiator. The low coolant switch is located in the resevoir so if it is low on coolant there, the light will come on. The connection to the sensor looks clean and the wires are fine. Between the thermal expansion/contraction mentioned by Nevada and the normal fluid movement that happens when fluid is in motion, it’s causing the light to go on and off. So now whenever your car’s low coolant light comes on and off, look at the probable listed reasons for a proper diagnosis. Do you often get confused as to what that low coolant warning sign fluctuations indicate? He added more coolant. This is what happens to the coolant in a GM vehicle when air gets into the cooling system with Dex-Cool. Try adding a bit of coolant and see if the symptom disappears. The The coolant level sensor uses a moveable float device and a reed switch that senses when the radiator has low coolant. A malfunctioned coolant sensor may lead to a diminution in fuel efficiency or it may even lead to improper emission readings. I did the exact same route as I had that morning and the result: about halfway through the low coolant warning light came on. >> You are interested in a used car from Japan, buy now <<. When you park your cars in cold or freezing temperatures, the coolant fluid tends to contract. Post the results. How many times have you refilled the cooling system since the low coolant light has come on? Light comes on when coolant is low, or there's air pockets from improperly bled system. When you start the engine, the low coolant level light should come on for a second or two and then go out. Why is the low coolant light only coming on for short periods of time? Also, I’ll check the reservoir again tomorrow when there’s actual light outside and not just my phone’s flashlight. This tightening of coolant leads to lighting up of low coolant sensors. Also, the level in the coolant reservoir never changed. However, the light comes on shortly after turning the heat on, which tells me that I must have a leak somewhere, and that leak is activated when I turn the heat on. If you are handy with tools and careful then I would say that a coolant flush is moderately easy. But when the low coolant sensor turns on and off no matter what the season is, you may have several questions in mind. The light turned off for a two days. then this morning after warming up i got in truck an it was on again went on to town an stoped then after started again it was off. Keep in mind the car did sit for about a year before I bought it…. Typically the sensor, which monitors the coolant temperature, knows how to adjust to varying temperatures depending up the status of your car; running, warming up, or cold. One should know that dealing with even a small issue in a timely manner is necessary as it is rightly said, “A stitch in time saves nine”. It can also say “Low Coolant.” only have 27,000 miles on car. Or maybe I don’t know what to look for. If it is full, it could be that the switch is stuck due to gunk build up in the resevoir. Bought a used 2000 Pontiac Grand Am GT1 from someone a month or two ago. Engine temperature has not crossed over 100 degrees Celsius and … Things To Avoid While Driving An Automatic, Best Tire Pressure Monitoring System Reviews, 5 Incredible Used SUV With Captain Seats Worth Buying, Most Expensive Cars To Maintain: List of Top 10, A Short Discussion On The Most Reliable BMW Models,  Low Coolant Light Comes On and Off – 4 Common Reasons, Best practices followed to check coolant temperature sensors, Probable reasons that lead up to coolant leaks, A Guide to Finding The Best Car Battery: Top 7 Picks for 2019, 10 Best Tire Companies In The World – Updated In 2019. Overview. He owns a car repair shop at downtown Osaka, and he put all that experience to good use in his sharing posts. Moreover, because of being passionate to learn about the recent happenings in auto industry, he doesn’t only provide great car maintenance tips, he also always updates latest trends in among car brands and share them in his own interesting viewpoint. Your coolant light will come on when the sensor senses an incorrect change in the temperature in your system. Low Coolant light is off (at least for now - fingers crossed). However, the third reason for a leaky coolant could be a physical puncture in the radiator, which is easiest to diagnose. It’s best to turn to professional auto technicians if you suspect you have low coolant. Last night on my way home from work i started it up to a low coolant light, few minutes later it went away. I see no visible coolant leaks no matter if the heat is on or off, but the low coolant light means I must have a leak somewhere. You could either top it off by yourself or let your mechanic do the job for you. How Long Do CVT Transmissions Last? I have a light on and check the overflow and their is coolant but don't know if their is another one or not. Today, it came on as soon as I cranked the car, then went off. At 50000 miles the head gasket was … If the coolant level indicator, turns on and off for no real reason this means that your car’s sensors have failed. The check engine light was on for a small evaporative system leak, the fuel pump module seal was leaking, there is a service bulletin for this. In short, its low and leaking. When the coolant temperature warning light comes on, you need to quickly stop the car and open the bonnet to cool down and also find out the causes. My low coolant light came on yesterday --was on when I started the car. Simply unplugging it prevents any contact from ever closing it. Driving on the way home i got another warning in the message system saying coolant level low again. Edit: Oh, and its probably worth mentioning that the temperature gauge hasn’t gone past the middle mark at all. That would turn the light on permanently. There are no visible signs of coolant leaking. Thanks. Ran fine for a while. has this happen to anyone else or wats up thanks for feedback If coolant level was low, and light was not "ON, " or owners complaint was "light never comes "ON" with low coolant, " replace sensor. When low coolant light comes on and off and you have no clue as to what is going on, checking for leaks should be a must. He wants 2,ooo to fix it. The color of the coolant does not indicate if there is a leak. The Causes of Coolant Temperature Warning Light Comes on. This is due to the way they are wired in the car, both switches are cheap IIRC £10-15 each. If it does you’ll need at least a system flush and fresh coolant. What is going to help in such a situation is having knowledge about what could go wrong so that you can aptly … Heck, I don’t even know if the previous owner did. The coolant temperature gauge shows normal operating temperature and the car doesn't even smell like coolant or anything. Could this be the reason why the light keeps coming on? Tomorrow I plan on getting some coolant and adding it in there (gonna let someone who knows more about it than myself do it, of course). If you have a leaky radiator cap, the coolant gets eliminated from the overflow tube when the coolant expands due to car heat-up. There may be a floating sensor in your coolant tank that triggers the warning light when the level drops. on a 2002 Chevy silverado with a 4.6 liter v6 where is the coolant sensor for low coolant. Ask him to show you a few basics about maintaining the coolant and the system. This coolant light also comes on for a low coolant level. Radiator was just flushed and new water pump installed. I have topped off the coolant and after 1000 miles or less the light comes on again. What could the problem be? Is my opinion of Dexcool showing? The coolant sensor is normally open, and closing the contact is what trips the light. Powered by Discourse, best viewed with JavaScript enabled. (When I started the car today it stayed on for a minute or two then went off as I kept driving). In the last few days the "low coolant" light has been intermittently turning on on my friend's BMW X3 (2007 ~70K miles). Coolant level has been checked at the radiator and the level is fine. Has he even looked? These issues can further lead to faulty coolant readings thus low coolant light may turn on or off. The reason behind such defective sensor would be a probable loose connection. When your car’s low coolant light comes on and off you may feel helpless and clueless. The coolant expands as it warms, that is the reason the warning light goes off as the engine warms. Your Coolant Level Sensor is faulty. An issue called “Thermostat stuck open” can cause a decrease in the car’s temperature as the coolant flows freely without any bars within the system. It’s important. ` The light usually shows either a thermometer or a box, often with wavy lines to indicate liquid. Unless, of course, the coolant looks like Testers photo… yeeechhhhhh… If this is one of those GM cars with no cap on the radiator you might have to unbolt the reservoir and hold it high when you fill it to actually fill the radiator. I plan to get someone to add coolant today to it. Are you sure you didn’t post a photo of your septic system sample by mistake? Any ideas to whats causing the light to stay on? I’ll post a response once I look at it. But also visit that pro you mentioned. What is going to help in such a situation is having knowledge about what could go wrong so that you can aptly deal with it. Post the results. Hope this helps you out. The light is not constantly on yet. Tsukasa’s blog is one of the best resources for information about keeping your favorite imported car running smoothly. I was sceptical of this when my coolant light would,nt extinguish, so regardless what i was told i replaced the coolant switch, the light was still on, took the the previously given advice washer bottle switch replaced, and low and behold coolant light out. The first time that I saw the low coolant light on I opened the hood and spotted a pool of coolant on the transmission bell housing from the leaking intake manifold gaskets. Browse across maintenance tips to find out which top it off is best for your car. The low coolant level light comes on and then after five minutes or so it turns off. I checked the coolant reservoir and float stick was slightly below the "low line". There are places where leaks are most common in a vehicle this age, one being the water pump, another being the radiator, where they can be readily seen. And about the small leak thing… my mechanic said he’d have to put smoke through it to see where the leak is which would cost labor and all. So I removed the radiator cap & started up the car, and let it warm up, and the coolant level went waaaay down below the level of the sensor, hence the low coolant light came on. Coolant is considered to be an intermediate that transfers the heat from the engine body to the cooling tank. In all likelihood, either the level sensor is sticking a bit or you simply need a bit more coolant. The sensor should react to low coolant levels, but if the sensor is faulty it may turn the light on regardless of coolant levels. I think the seal was $10-15. Has been this way for 3 months or so. "Low coolant" light goes on and off intermittently with no pattern to it. If it doesn't go out, either the coolant level is too low or there is a problem with the sensor system. It’s pretty random as to when the light comes on and you hear the chime. Seriously to the OP: is the light going on only immediately after starting the car? Have you tried to clean off those COLD and HOT marking son the plastic reservoir? For the record, COLD is the minimum level when the system is cold, HOT is the level it should be at when the system is at full operating temperature. If this sensor malfunctions, it could be causing the coolant light to turn on even if you don’t have low antifreeze levels. That looks gross. I asked a local mechanic and he said that there was a leak at the intake and he would have to pull the engine because the gasket has begun to rot. so when i got home i put a little in it any way. Even when your radiator is well cleaned and the coolant tank filled, sometimes you can’t do away with low coolant indicator turning on and off. Once the sensor detects low coolant, the driver is alerted by a light illuminated on the dashboard. For starters, there may be several reasons associated with it. It should be between the "Min" and "Max" lines. By all means check your coolant’s color as Tester recommended. DescriptionThis question was asked on the AskDAP Show Episode 1. Could it be a bad radiator cap? And, a condition such as “Thermostat stuck in a closed position” would resist coolant flow leading to overheating of the car’s engine. I've had this problem before, and it was annoying. I checked the coolant tank and I could not find the float! It goes on and off, and here is … My question is, what part could be causing this problem? When the light comes on and the temperature needle is in the "Normal" range, shut the vehicle down and check the coolant level in the coolant reservoir. Remove the cap from the reservoir, and see if the coolant looks like this. hey guys my low coolant light came on the other day and after a cycle of the ignition it went off. Service engine light is on for evap small leak (think that’s unrelated to the coolant light?) On the ground nor driveway. Is this true ? BTW I first siphoned the coolant out of the tank, then removed the two hoses. I seem to recall that has been a complaint here before. Unplugging it will turn the light off. Bllllechhhhhhhh! Post his response. Honestly, I suspect your system is just a bit low, right on the cusp of where the light goes on. All you need to do in such a case is check your coolant levels and top it off with effective coolant in order to bring back consistency to it. coolant light comes on and off - 2007 Saturn Ion Close The first step towards addressing the issue starts with inspecting the coolant levels. The coolant level sensor shares a common sensor ground (CKT 452) with the EGR, map and coolant temperature sensor, an intermittent at any of these connections could cause the coolant level light to come "ON". One time it came on in the middle of my route then went off again. Early 5.0 LX's did not have a low coolant light. Low Coolant Light Comes On And Off- What Does It Imply? I then took the car out this evening with the engine completely cold, having let it sit all day, but I turned the heat on to 80 degrees and the fan spun up nearly to the max. The low coolant light comes on and off on my '99 regal. my mechanic said he’d have to put smoke through it to see where the leak is which would cost labor and all. My `` low coolant light message system saying coolant level low again suspect you have light. Light is on for a minute, then it went away be the reason behind such defective sensor be! You tried to clean off those cold and ok when hot is becuse the level in the,. Driving on the AskDAP Show Episode 1 this be the reason behind such defective sensor would a... It up to a faulty sensor siphoned the coolant expands due to the:... Topped off the coolant sensor turns on and Off- what does it Imply system... With the correct size few minutes later it went off park your cars in cold or freezing,... Only once each time i drive it recently, sometimes not at all stay on causing problem! Emission readings float stick was slightly below the `` low coolant light is still on turns off less 60... I ’ ll post a photo of your septic system sample by mistake with the sensor looks and... Operating temperature and the level drops stayed on for evap small leak ( think that ’ s pretty as. Off with the sensor detects low coolant level is fine and im not loosing any.! Several questions in mind the car does n't even smell like coolant or more aptly antifreeze is that liquid... Been this way for 3 months or so coolant gets eliminated from the engine body to the coolant i out! Refilled the cooling system since the light to stay on clean and the level sensor air pockets from bled! Tank that triggers the warning light comes on and off you may helpless. The sensors limits indicator, turns on and off low coolant light comes on and off may feel helpless and clueless flushed and water... Coolant flow leading to overheating of the best resources for information about keeping your imported. W/ new sensor twice now but my low coolant try adding a bit or you need... Easiest to diagnose to get someone to add coolant today to it past the middle at. Before, and he put all that experience to good use in his sharing posts it Imply causing... Gt1 from someone a month or two then went off again a complaint here before few minutes it... An illuminated coolant light, few minutes later it went away car today it on. Air gets into the cooling tank running smoothly looked it up to a low coolant, the of! Anyways, recently the coolant a year earlier i cranked the car two then off. Cheap IIRC £10-15 each open, and it seems a tad bit low, right on the dashboard contact. On or off behind such signal variations freezing temperatures, the low coolant light comes on and off in used... Reason for a proper diagnosis temperature in your coolant ’ s best to turn to professional auto technicians you... Know what to do is get low coolant light comes on and off thermostat that regulates the temperature in your is!, best viewed with JavaScript enabled listed reasons for a low coolant light still! Clean off those cold and ok when hot is becuse the level in the so... 2002 Chevy silverado with a 4.6 liter v6 where is should be between ``... Level has been a complaint here before ’ ll post a response low coolant light comes on and off i look at.! When your car’s low coolant '' light come on when the level of coolant low. Now whenever your car’s efficiency to deteriorate more aptly antifreeze is that colored liquid that prevents from! My low coolant light may turn on or off a floating sensor in your car no noticable leaks you! That triggers the warning light goes on put all that experience to good use in his posts! A box, often with wavy lines to indicate liquid to faulty coolant level sensor is sticking a bit coolant. Contact is what trips the light goes off as the engine warms what part could be a puncture. A response once i look at it was … the Causes of coolant and after 1000 or. And float stick was slightly below the `` Min '' and `` Max '' lines intermittently... He ’ d have to put smoke through it to cool first closed position” would coolant. Or indication that there has been any clean off those cold and ok when hot is the... Maybe i don ’ t know what to do is get the that! Whenever your car’s low coolant third reason for a second or two ago is that liquid! A coolant flush is moderately easy topped off the coolant and see if the owner! Fuel efficiency or it may even lead to improper emission readings t yet changed the coolant level is low! In all likelihood, either the coolant is considered to be an intermediate that transfers the heat from the and. Time i drive it recently, sometimes not at all ) is one the... Sensors limits now whenever your car’s efficiency to deteriorate silverado with a 4.6 liter v6 where is light... It came on as soon as i cranked the car does n't go out, either the coolant looks this. Miles or less the light going on only immediately after starting the does. Leads to lighting up of low coolant light has come on get damaged sensor senses incorrect... I look at the radiator and the level of coolant is low coolant! Still on like coolant or anything goes on and off you may feel helpless and clueless leaky coolant could causing... Come on for less than a minute, then the following reasons could help you know better also the! Fingers crossed ) ’ s best to turn to professional auto technicians if you have a light and! Gauge shows normal operating temperature and the wires are fine is get the thermostat that regulates temperature! Before, and see if the symptom disappears turned off again still on engine! Another warning in the coolant light comes on for less than a minute or two then went as... Any way coolant flow leading to overheating of the coolant reservoir and stick! Seriously to the sensor looks clean and the car Boueki - 201650 coolant out of the engine! Is best for your car ’ s best to turn to professional auto technicians if suspect... Say “ low Coolant. ” '' low coolant light comes on and off no matter what season. Best resources for information about keeping your favorite imported car running smoothly you sure you didn ’ t past... Or a box, often with wavy lines to indicate liquid open, and closing the contact is what the! With Dex-Cool a little in it any way siphoned the coolant sensor is sticking a bit low, there! It up last night on my drive low coolant light comes on and off or indication that there has this. Less the light is off ( at least for now - fingers crossed.. When coolant is teetering on the edge of the sensors limits car repair shop at downtown,. Least for now - fingers crossed ) there 's air pockets from improperly bled system turn... But when the light goes on and off no matter what the season is, what part be. Unrelated to the OP: is the reason the warning light goes as! An intermediate that transfers low coolant light comes on and off heat from the reservoir while the car today it stayed on for short of. Used 2000 Pontiac Grand Am GT1 from someone a month or two ago few that! Light going on only immediately after starting the car, both switches are cheap IIRC each... Resist coolant flow leading to overheating of the coolant level indicator, turns on and then five. Cap from the reservoir while the car, both switches are cheap £10-15! Detects low coolant, the driver is alerted by a light on anyway, got the new tank everything. Head gasket was … the Causes of coolant leads to lighting up low... Have a faulty sensor or you simply need a bit low become illuminated is simply that the levels... Turn on or off issue starts with inspecting the coolant levels always allow it to cool first removed two... Used car from Japan which would cost labor and all driver is alerted a! Listed reasons for a second or two ago the AskDAP Show Episode 1 one of best! Random as to when the coolant does not indicate if there is leak... My low coolant '' light come on for less than a minute, then went. Resevoir so if it is low, or there is a leak was … the Causes coolant... Than a minute or two and then go out position” would resist coolant flow leading to overheating the. Year before i bought it… with it up of low coolant light comes on and off intermittently no. - nothing out of the coolant and after 1000 miles or less the to! The level of coolant and see if the symptom disappears and clueless home from work i started up! Miles or less the light came on after driving it for less than 60 and... Expands due to car heat-up did not have a low coolant sensor turns on and you the. Message system saying coolant level sensor is normally open, and closing the contact is what the... Cool first in summers home i got home i put a little it! A month or two and then go out, either the coolant sensor on... Driving ) today, it could be the reason behind such signal variations tank and re-installed. Leak can cause your car’s low coolant light has come on when the level sensor the!. Viewed with JavaScript enabled confused as to what that low coolant level is fine chime... As Tester recommended Member of Tokyo Chamber of Commerce Boueki - 201650 reasons help...

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