Question about 2001 Chevrolet Impala

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My 2001 chevy impala keeps over heating and I don't know why. I've replaced the radiator and fans recently so they are good. The fans don't turn on most of the time though. Is there a sensor that could be bad that doesn't turn the fans on or would it just be a bad thermostat?

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It's possible that the thermostat has gone bad. If the valve on the thermostat remains closed, it's possible that water isn't flowing to the sensor that controls the radiator fans, thus you wont get an increase is fan operation.

The good news is that a thermostat is only about $7-10, and the replacement is relatively simple. I would give it a shot. If it doesn't work, at least now you have a new, reliable thermostat installed.

Posted on Sep 10, 2010

  • amaiah Dec 29, 2010

    replace thermostat still over heating



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