Thermostat Housing: Service and Repair

Thermostat Housing

Material:

Removal and Installation
1. Drain the cooling system.
2. Remove the air cleaner outlet pipe. For additional information, refer to Fuel Delivery and Air Induction.
3. Disconnect the 5 coolant hoses from the thermostat housing and position them aside.
4. Remove the 3 thermostat housing bolts.
^ To install, tighten to 10 Nm (89 inch lbs).

5. CAUTION: Do not pull the other end of the coolant tube out of the engine block when separating the thermostat housing.

Separate the thermostat housing from the coolant tube and remove the thermostat housing.
^ Remove and discard the O-ring seals.
6. To install, reverse the removal procedure.
^ Lubricate the new O-ring seals with clean engine coolant.
7. Fill and bleed the cooling system.