Question about 1999 Chevrolet Lumina

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I have a 1999 chevy lumina and it overheats when i am just idling and the ac is on.

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  • terrence stewart Jul 22, 2009

    I flushed the radiator and cleaned everything around the radiator and condenser. bothe of my fans are working great. I will try replacing the thermostat. That would be a great cheap fix but was not sure if that would help.

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This problem can be caused by a faulty cooling fan, lack of coolant circulation thru the radiator ( bad water pump, partially closed thermostat) or a partially clogged radiator. Make sure the radiator and condenser in front of the radiator are not full of dirt and clogging the air flow also.

Posted on Jul 22, 2009

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Can it be something with a time cap

Posted on Feb 11, 2012

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Does it overheats when the ac is off? if it doesnt, you may have a problem with the ac auxillary fan, try replacing it.

Posted on Jul 22, 2009

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