Thermostat: Service and Repair

Thermostat and Thermostat Housing








Removal and Installation
1. Drain the engine cooling system. For additional information, refer to Cooling System Draining, Filling and Bleeding.
2. If servicing the thermostat housing, disconnect the upper radiator hose from the thermostat housing.
3. Remove the 2 bolts, the thermostat housing and the thermostat. Discard the O-ring seal.
^ To install, tighten to 10 Nm (89 lb-in).
4. To install, reverse the removal procedure.
^ Inspect the mating surfaces. Clean the sealing surfaces with metal surface prep. Follow the directions on the packaging.
^ Install a new O-ring seal.