Question about 2002 Pontiac Grand Prix

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2002 Pontiac Grand Prix Thermostat

How do you change a thermostat on a 02 Pontiac Grand Prix Gt.

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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

  • brenda Jun 13, 2013

    what the heck does the thermostat have to do with the power steering getting fustrated


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If you look on ebay I believe there is still a set of maintanance manuals up for auction. They would be a great source for anything you may need to repair or maintain.

Posted on Dec 10, 2008

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1 Answer

02 grand prix, running cold

be sure there is no air trapped in the system, bleed out at high point, may need to loosen hose. radiator will get warm when therm opens. Be sure therm is installed correct direction. May need a new one.

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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
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Thanks for the vote, and good luck!

Jan 02, 2011 | 2002 Pontiac Grand Prix

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Yes. Remove the housing (not the hose) and you'll find the thermostat.

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Nov 25, 2009 | 2002 Pontiac Grand Prix

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Where can i find a diagram or instructions for replacing a thermostat on a 2002 pontiac grand prix?

Thermostat Removal & Installation
Free register, select the year, brand, model and engine for details (with pics).

Hope helped with this (remember rated this) Good luck.

Nov 09, 2009 | 2002 Pontiac Grand Prix

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Are your electric fans engaging or turning on?

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