Question about 1996 Pontiac Grand Am

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How to change thermostat on 1994 grandam - 1996 Pontiac Grand Am

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This is definitely a harder change than it needed to be, but I'm sure it's nothing you can't handle. The first thing is to locate the housing where the thermostat is. You can do this by following the top radiator hose from the radiator to the engine block.
You will find a round casting connected to the intake with two bolts in it. You simply remove those bolts and place a new thermostat in the housing clean off the old gasket material and place a new gasket and sealer on the housing and bolt it back on making sure to tighten the bolts evenly so you don't crack the housing. This all sounded simple, didn't it?

The trick is getting to the housing because the air intake system is in the way. Loose the air intake system and pulled it back and that took some time. There are some small water coolant lines underneath that were a pain to get off and back on. Replace the factory clamps with some good screw clamps to help the next fellow, but there were still not fun.

Posted on Nov 19, 2009

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Posted on Jan 02, 2017

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Please chek this link for replacing the thermostat...

http://www.pfyc.com/supportfiles/tstat/tstat.htm

Thanks for contacting fixya.com

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