Thermostat: Service and Repair

THERMOSTAT





COMPONENTS

REMOVAL
1. Drain the coolant so its level is below the thermostat.
2. Remove the inlet fitting and gasket.
3. Remove the thermostat.

INSPECTION
1. Heat the thermostat as shown in the illustration.
2. Check that the valve operates properly.





3. Verify the temperature at which the valve begins to open.
Valve opening temperature: 80 - 84°C (176 - 183.2°F)
Full opening temperature: 95°C (203°F)

INSTALLATION
1. Check that the flange of the thermostat is correctly seated in the socket of the thermostat housing.





2. Install the inlet fitting.
Tightening torque
Engine coolant inlet fitting bolt: 10 - 15 Nm (100 - 150 kg-cm, 7 - 11 ft. lbs.)
3. Refill the coolant.