Engine OverHeating FYI

10,645

Asked by 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

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

50

my car only overheat when running the ac

5 of 5 people found this helpful.
50

where is the charcoal canister on my grand prix gt 2000

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 .

102,155

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

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