Question about 2000 Pontiac Grand Prix

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Have replaced water pump and headgasket kit and timing chain but car is overheating still 2000 grand prix

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Did you replace the thermostat at any time? Never reuse a thermostat that has overheated.

What does the radiator look like? I had a 1997 Jimmy that sludged very bad at about 70k miles.

Posted on Dec 11, 2009

Testimonial: "thanks i did replace when the car first started overheating but then it blew headgasket so do i need to replace it again "

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The heater core could be stopped up and the cooling system needs to be back flushed. Also if is is a V6 on some engines you can put the wrong gaskets on the wrong side of the block.

Posted on Dec 12, 2009

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Alot of these newer model cars are bad about trapping air in the cooling system. ive had it take forever to bleed one free of air. you can try bleeding the system by loosening the bleeder screw on top of the waterneck or sometimes in the line itself.

Posted on Dec 12, 2009

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Make sure there is enough cooling in it and the ingnition timing is correct and the fan blades are not cracked or broken and check the raditor cap also make sure the raditor core is not blocked if all fails stop by your local library and get your hands on a Haynes auto repair manual for your car also like to give you this information they sells only GM-parts its Schram auto & truck parts 1-800-292-1032 and they website is www.schramauto.com wish you the best of luck Michigan Man

Posted on Dec 11, 2009

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