Engine OverHeating FYI
21,165

Asked by Michael Jun 28, 2008 at 03:01 PM about the 2000 Pontiac Grand Prix GTP

Question type: Maintenance & Repair

It absolutely amazes me how many people are having problems with overheating and yet nobody suggestes changing the radiator cap. If the radiator cap is not functioning properly it allows pressure to be vented from the cooling system prematurely causing a lower boiling point. This then causes the engine to overheat. This is a $5 part on most vehicles.

5 Answers

Jason answered 15 years ago

sure.....but then what happens when it is actually the headgasket? that might be the problem, and i have tried that before, and replaced the radiator, but ulitmately, it was the headgasket. nice

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brandonp213 answered 13 years ago

This is a common issue there are two cooling fans one is operated off the temp sending unit other comes on when ac compressor is running suggest checking cooling fan operation with ac on:) Hope this helps if not check standered cooling problems ie cap, thermostat, water pump .

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175,945

tenspeed answered 11 years ago

http://www.gaownersclub.com/forum/faq.php?faq=maint_repair#faq_cooling_serv

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