Thermostat Housing: Service and Repair

Removal and Installation

1. Drain engine coolant so its level is below water temperature control assembly.
2. Remove the air cleaner assembly.
3. Disconnect the radiator upper hose (A).




4. Disconnect the heater hose (A).




5. Disconnect the bypass hose (A) and the throttle body coolant hose (B).




6. Remove the water temperature control assembly (A) with the O-ring (B).

Tightening torque:
9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb-ft)




7. Installation is reverse order of removal.

NOTE:
- Install a new O-ring.
- Clean surface on the O-ring and install the O-ring after wetting with water.