Thermostat Housing: Service and Repair
THERMOSTAT HOUSINGREMOVAL
1. Partially drain cooling system below thermostat housing level.
Fig. 25:
2. Remove thermostat.
3. Disconnect engine coolant temperature sensor connector.
4. Disconnect heater supply hose.
5. Remove housing attaching bolts (Fig. 25).
6. Remove housing and gasket (Fig. 25).
INSTALLATION
1. Clean all gasket sealing surfaces.
2. Install gasket and housing (Fig. 25). Tighten bolts to 28 Nm (20 ft. lbs.).
3. Reconnect heater supply hose.
4. Reconnect engine coolant temperature sensor connector.
5. Install thermostat.
6. Fill cooling system.