Thermostat Housing: Service and Repair

Thermostat Housing Removal and Installation

Removal

1. Drain the engine coolant Service and Repair.

2. Remove the coolant reservoir.






3. Remove the harness holder from the intake manifold.






4. Disconnect the lower radiator hose (A), the heater hose (B), and the water bypass hoses (C).





5. Remove the thermostat housing assembly (D), then remove the thermostat (E).

Installation

1. Install the new rubber seal (A) on the thermostat, then install the thermostat (B) with the pin (C) up, and install the thermostat cover (D).





2. Install the thermostat housing assembly (E) with a new O-ring (F).

3. Connect the lower radiator hose (G), the heater hose (H), and the water bypass hoses (I).

4. Install the harness holder.






5. Install the coolant reservoir.





6. Refill the radiator with engine coolant, then bleed the air from the cooling system.

7. Clean up any spilled engine coolant.