Possible Stuck Thermostat?
#1
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Join Date: Dec 2007
Location: Louisville, KY
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Possible Stuck Thermostat?
Now that its winter, I'm starting to think my thermostat is possibly stuck open. If I start the car and drive it at 60 mph at 30 degrees outside, it takes roughly 10 miles before the needle gets anywhere close to 210. Now granted the temp gauge is worthless in this car, but I'm fairly sure if its no where near 210, your still fairly cool. This is also my first aluminum engine so I thought maybe it just takes longer to heat up due to aluminum transferring the heat out faster. I just know my old v6 00 firebird heated up in half the time with its iron block. Anyway, I'm just curious if thats typical of this car to take that long to warm up or if I need to go grab a thermostat.
#3
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Join Date: Aug 2007
Location: WEST CENTRAL WISCONSIN
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Several ways to check. Does the heater throw hot air? You can remove the radiator cap when the engine is "COOL", DO NOT do this when it is hot, and check the coolant temp directly with a thermometer as the engine warms up. Also after the engine has warmed up stop and let it idle for a while. If it cools back down the thermostat isn't closing.