Where is the thermostat on a 3.1 pontiac grand prix
2 Answers
joecorvair answered 17 years ago
Autozone.com will show you where it is.
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In the thermostat housing where the coolant hose meets the engine. There will be two large diameter hoses coming out of the engine (one high and one low) you are looking for the high one. It should be coming from the top of the radiator or the overflow reservoir.
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