Thermostat Housing: Service and Repair

Thermostat Housing













Removal and Installation

NOTE: The thermostat and thermostat housing are serviced as an assembly.

1. Drain the cooling system. For additional information, refer to Cooling System Draining, Filling and Bleeding Cooling System Draining, Filling and Bleeding.

2. Remove the power steering pump. For additional information, refer to Steering.

3. Disconnect the Knock Sensor (KS) electrical connector.
- Detach the KS electrical connector pin-type retainer.

4. Disconnect the heater hose at the thermostat housing.

5. Disconnect the lower radiator hose at the thermostat housing.

6. Remove the 3 bolts and the thermostat housing.
- Remove and discard the thermostat housing seal.

- To install, tighten the bolts to 10 Nm (89 lb-in).

7. NOTE: Lubricate the thermostat housing seal with clean engine coolant.

To install, reverse the removal procedure.

8. Fill and bleed the cooling system. For additional information, refer to Cooling System Draining, Filling and Bleeding Cooling System Draining, Filling and Bleeding.