Question about 2007 Pontiac Grand Prix GXP Sedan

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My Pontiac Grand Prix is overheating and has coolant

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

davidg65
  • 26 Answers

SOURCE: 2002 Pontiac Grand Prix Thermostat

as you face the engine the thermostat bell is on the right (drivers side) Follow the radiatoe hose. Remove the two bolts and raise the bell still attatched to the hose. the thermostat is there with the rubber seal. You can gently pry the thermostat out with a screwdriver or something similar. Put in new thermostat be sure it is the same as the old one, and then replace or change the seal (be sure it is the smae size and thickness as the old one as I got the wrong size from Napa) Then replace the bell, and tighten, but not over tighten. I hope this helps!

Posted on Jan 31, 2009

  • 2 Answers

SOURCE: 1996 Pontiac Grand Am overheating

If its the 3.1L it could be your intake manifold gasket , the material used for the gasket does not react well with GM's Dex-Cool antifreeze. The leak may not be apparent at first, but I would pressure test the cooling system. If you look at the front of the motor by the belts , try to peek down at the intake manifold and check for slight seapage to an obvious leak.

If its either of the Quad-4's they were notorious for heads warping or cracking.

Posted on Feb 03, 2009

beduncan
  • 73 Answers

SOURCE: 2004 Pontiac Grand Prix OVERHEATING!!!

Have you shop perform a "leakdown test." You probably have a bad head gasket )or a leak in the gasket).

Posted on Aug 06, 2009

  • 52 Answers

SOURCE: 1998 pontiac grand prix starter

disconnect the negative battery terminal first then disconnect the positive treminal so there are no accidents, raise the car safely go underneath & remove the starter cover should be 3 10mm bolts holding the cover on then remove the 2 through starter bolts 15mm then disconnect the + battery cvable from starter then disconnect the solenoid wire should be a 7 mm bolt. good luck

Posted on Sep 11, 2009

  • 14036 Answers

SOURCE: my engine is always overheating and we can not

CHANGE THERMOSTAT.MOST OF THE TIME THERMOSTAT WILL CAUSE OVERHEATING.CHECK YOUR COOLANT MAKE SURE ITS NOT LOW.HAVE COOLANT FANS CHECK TOO SEE IF THEY TURNING ON.GET A DIAGNOSTIC SCANNER HOOK UP TO CHECK FOR COOLANT TEMPERATURE SENSOR FAULT AND FAN RELAY AND FAN FAULT. MAKE SURE FAN FUSE IS GOOD.

Posted on Nov 12, 2009

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1999 pontiac grand prix gt overheated. coolant is in the spare container, stem came from topside on the passenger's side. did not see fluid leaking and temp gauge had been up and down for at least...


Sounds like you have air in your coolant system. Take it to a mechanic shop to have them bleed the cooling system. That should cure your problem. Hope this helps. :) Please rate this. James Booth

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I have a 2005 Pontiac Grand Prix my cars fluids are all ok but its overheating. Put in a new thermostat and it is still running hot. The radiator cooling fans will not turn on where do i start?


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My 2002 pontiac grand prix gt is overheating and I don't know why. I changed the thermostat and flushed the radiator. After that, I refilled the coolant with 1 gallon of antifreeze. It is still...


Hello, kevans222 and thank you for asking your question on Fixya!

Here is a simple process that will walk you through a few steps that will pinpoint the overheating problem on your
2002 Pontiac Grand Prix, without even using any tools. It has helped millions of people, and I am certain that it will help you, because I wrote it for people in your exact situation.
How to diagnose your overheating
2002 Pontiac Grand Prix

Get more great money saving tips and tricks about your vehicle from: twitter.com/acoates23234

Thanks for the vote, and good luck!

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1997 Pontiac Grand Prix overheating in stop and go traffic


its either of the 3 ur water pump is weak and couldnt supply the right amount of coolant to ur engine / ur radiator is clogged or your thermostatic valve is stuck up that restrict full flow of fluid to the radiator thats why when u use the heater that uses ur coolant hot water as a heating unit the temp. goes down...

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