Question about 2002 Pontiac Grand Prix

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2002 pontiac grand prix over heating

I HAVE CHANGED THERMOSTAT & WATER PUMP. CAR STILL OVER HEAT'S & WATER COME BACK OUT OVER FLOW. I HAVE ALSO NOTICE STEAM & WATER COMING OUT TAIL PIPE. THERE IS NO WATER IN OIL OR OIL IN WATER SYSTEM. WHEN LET RUN WATER BLOWS OUT OVER FLOW & STEAM OUT AIR VENTS WATER PUMP & THERMOSTAT VENT.

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  • clay1953 Dec 27, 2008

    FANS ARE WORKING WATER STARTS BACK FLOWING ABOUT 2 MIN AFTER STARTUP

  • Todd Fontenot Aug 11, 2013

    you most likely have a blown head gasket

  • Anonymous Mar 29, 2014

    i took off thermostat, and replaced water pump and the car keeps heating up and over flowing from reservior

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Are your electric fans engaging or turning on?

Posted on Dec 26, 2008

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1 Answer

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