Important: The water pump inlet and thermostat MUST be replaced as an assembly. The thermostat is not serviceable separately.

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 a new thermostat housing.
2. Ensure that the new thermostat housing has an O-ring seal and is in the groove correctly.



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

Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

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 .