Thermostat Housing: Service and Repair

Engine Coolant Thermostat Housing Replacement

Removal Procedure

1. Remove the front wheelhouse panel.




2. Remove the front intake air duct (1) from the air filter housing.
3. Drain the coolant. Refer to Cooling System Draining and Filling Cooling System Draining and Filling.
4. Remove the upper radiator hose from the coolant outlet.
5. Remove the coolant outlet bolts.




6. Remove the coolant outlet.
7. Remove the coolant outlet gasket.
8. Clean the following components:

* The surface of the intake manifold
* The coolant outlet

9. Inspect the coolant outlet mating surfaces for the following conditions:

* Pits
* Cracks
* Other damage that could cause leaks

Installation Procedure

1. Install the coolant outlet gasket.
2. Install the coolant outlet.

Notice: Refer to Fastener Notice in Cautions and Notices.

3. Install the coolant outlet bolts.

Tighten the coolant outlet bolts to 42 Nm (31 lb ft).

4. Install the upper radiator hose to the coolant outlet.




5. Install the front intake air duct (1) to the air filter housing.
6. Install the front wheelhouse panel.
7. Fill the cooling system. Refer to Cooling System Draining and Filling Cooling System Draining and Filling.
8. Inspect the system for leaks.