Note: The engine cooling system thermostat and water pump will not function correctly if oil is present in the cooling system.

1. Drain the cooling system. Refer to Cooling System Draining and Filling.
2. Reposition the outlet hose clamp at the water pump inlet.
3. Remove the outlet hose from the water pump inlet.



4. Remove the water pump inlet bolts.
5. Remove the water pump inlet.
6. The O-ring seal is integral to the thermostat housing.
7. Remove the thermostat housing.

1. Install the thermostat housing.
2. Ensure the thermostat housing has an O-ring seal and is in the groove correctly.



3. Install the water pump inlet (with thermostat).

Caution: Refer to Fastener Caution in the Preface section.

4. Install the water pump inlet bolts.

Tighten
Tighten the water pump inlet bolts to 15 N·m (11 lb ft).

5. Install the outlet hose to the water pump inlet.
6. Position the outlet hose clamp at the water outlet.
7. Fill the cooling system. Refer to Cooling System Draining and Filling.