Drain the cooling system to a level below the thermostat.
Remove the hoses from the thermostat housing.
Remove the thermostat housing.
Remove the thermostat and discard the gasket. Clean the gasket surfaces thoroughly.
Install new gasket On 3.0L, 3.3L and 3.8L engines position thermostat in water box pocket. Make sure thermostat flange in seated properly in flange groove of the water box. Position the new gasket on water box and install housing. Tighten the bolts to 15 ft. Lbs. (20 Nm).
Connect the radiator hose to the thermostat housing. Tighten the hose clamp to 35 inch lbs. (4 Nm).
Fill the cooling system.
Monday, March 23rd, 2009 AT 8:54 PM