Grand Prix V6-191 3.1L VIN M SFI (1998)
Thermostat: Service and Repair
Thermostat
REMOVAL PROCEDURE
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Tools Required
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J 38185 Hose Clamp Pliers
1. Partially drain the cooling system. Refer to Draining and Filling Cooling System in Service and Repair.
2. Carefully remove the throttle body air inlet duct.
3. Use the J 38185 in order to reposition the hose clamp at the thermostat housing.
4. Disconnect the radiator hose from the thermostat housing.
5. Remove the thermostat housing bolts.
6. Remove the thermostat housing and gasket.
7. Remove the thermostat.
8. Clean the mating surfaces.
INSTALLATION PROCEDURE