Questions & Answers for: Pontiac Grand Prix overheat w/ac on

Question about 2005 Grand Prix

1 Answer

overheating at idle my car overheats at idle. the fans are working, i don't see any leaks. i have the heat on but it only is blowing ac. I added 50/50 dex cool last week. The simplest thing that it ...

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...ac on.If it does not overheat the fans are not operating properly under normal operating conditions.The ac will force the fans on. What you can do to start is just let the car idle in park and see if ...

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Question about 2000 Grand Prix

1 Answer

...overheat, coolant levels just checked are fine and coolant used is the required DEXCOOL. Reserve tank for coolant has about 1/3 of the way full. Oddly enough, noticed the screw that holds the motor ...

Question about 1998 Grand Prix

1 Answer

Fan not working, car is always overheats. How do I make the fan work? After a jumper test on the fans to make sure that they work, you might take a look at your coolant level or temperature sensor. ...

Question about 1998 Grand Prix

1 Answer

...IMPORTANT THING is to fix or bypass the heater core, or you will end up needing an engine if it

Question about 2002 Grand Prix

1 Answer

2002 grand prix overheats at idle the temp gauge goes high at idle,comes down when driving Sounds like the fans (which are designed to simulate the wind when u are not moving) are not cutting on. 

Question about 2008 Grand Prix

2 Answers

overheat. If you turn the ac on then the air rushing around the engine will help cool it down. Replace the thermostat and it should fix it This can be due to a high speed fan relay failing to work due

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