Thermostats
Pontiac Grand Prix
How To

How to change thermostat on 2002 grand prix?

111213

Answer

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Wiki User
02/24/2007

Follow the top heater(coolant) hose from the radiator to the area it attaches to your engine.Loosen the hose clamp from the hose and pull back on the hose , it may or may not be on there tightly.Look in the area of the engine where you just removed the hose you should see a thermostat there somewhere.You may need to remove a cover type hose connection 2 or 4 bolts to get at the thermo.