Tools Required

J 38185 Hose Clamp Pliers

1. Remove the air cleaner intake duct. Refer to Air Cleaner Inlet Duct Replacement in Engine Controls - 3.5L (LX9).
2. Partially drain the cooling system. Refer to Cooling System Draining and Filling .
3. Use the J 38185 in order to reposition the hose clamp from the thermostat housing.
4. Remove the radiator inlet hose from the thermostat housing.
5. Remove the thermostat housing bolts.



6. Remove the thermostat housing .



7. Remove the thermostat.
8. Clean and inspect the thermostat housing gasket mating surfaces.

1. Install the thermostat.



2. Install the thermostat housing.

Notice: Refer to Fastener Notice in the Preface section.




3. Install the thermostat housing bolts.

Tighten
Tighten the bolts to 25 N·m (18 lb ft).

4. Install the radiator inlet hose to the thermostat housing.
5. Use the J 38185 in order to reposition and install the hose clamp to the thermostat housing.
6. Install the air cleaner intake duct. Refer to Air Cleaner Inlet Duct Replacement in Engine Controls - 3.5L (LX9).
7. Fill the cooling system. Refer to Cooling System Draining and Filling .