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Coolant Light On


mikie

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Today on the highway the coolant light turned on. After about 2 minutes off the highway the light turned off. I checked the level and it was full. Plus I just had a coolant flush not so long ago. I went back home (highway) light came on again - coolant still full. I searched a little bit on the forum and seems like it could be my thermostat. Could this be a possibility? And if so is it an easy DIY? Will coolant come flying out when removing the t-stat?

Thanks

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Today on the highway the coolant light turned on. After about 2 minutes off the highway the light turned off. I checked the level and it was full. Plus I just had a coolant flush not so long ago. I went back home (highway) light came on again - coolant still full. I searched a little bit on the forum and seems like it could be my thermostat. Could this be a possibility? And if so is it an easy DIY? Will coolant come flying out when removing the t-stat?

Thanks

it's easy, every time i do it, i just drain the coolant and put it back in tho.

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it's easy, every time i do it, i just drain the coolant and put it back in tho.

So before intalling a new thermostat you drain all the coolant out? Where do you drain it from, any one of the hoses?

About the problem though, if the thermostat is stuck open then the engine runs cold (thereforemy temp gauge should be lower then normal?) And if it's stuck closed then the coolant is boiling causing the engine to overheat but I would see this from the gauge no? Cause I'm not experiencing any changes in the temperature. Could the problem just be my sensor, but then again I'm not getting any codes?

Thanks

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So before intalling a new thermostat you drain all the coolant out? Where do you drain it from, any one of the hoses?

About the problem though, if the thermostat is stuck open then the engine runs cold (thereforemy temp gauge should be lower then normal?) And if it's stuck closed then the coolant is boiling causing the engine to overheat but I would see this from the gauge no? Cause I'm not experiencing any changes in the temperature. Could the problem just be my sensor, but then again I'm not getting any codes?

Thanks

most t-stats will stick open. if yours is, your car won't heat up properly.

and to drain it, there's a petcock on the drivers side of the radiator, with a barbed fitting. you'll see it, it's pretty easy to spot.

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ps - be sure and crack the overflow tank first... :)

LOL... Sorry but your gonna need to explain that one. What's the overflow tank and how do I crack it? I'm figuring it's the reservoir were you would feel the coolant in, and by cracking it do you just opening the lid to allow air?

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I'm figuring it's the reservoir were you would feel the coolant in, and by cracking it do you just opening the lid to allow air?

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yeah, just take off the cap. wtf ever.

OR it could be the sensor that is in the overflow tank.....

there's no way that a thermostat could cause the light to come on. no way in hell.

unless it is still burping, then there is no way that a thermostat is related.

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yeah, just take off the cap. wtf ever.

OR it could be the sensor that is in the overflow tank.....

there's no way that a thermostat could cause the light to come on. no way in hell.

unless it is still burping, then there is no way that a thermostat is related.

So if it's not the t-stat, then it must be the sensor is what your telling me? Is there anything else that causes the coolant light to go on expect when low on fluid?

So when the t-stat is stuck open (majority of the time when it fails), how do people know? The car takes longer to warm up???? I would think that there would be a sensor for the flow or temp of the coolant that can notice a faulty t-sat. Anyway since I bought the part and it's only $30 I will still install it.

Thanks

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