Thermostat: Service and Repair

REMOVE
1. Partially drain the cooling system, until coolant level is below thermostat housing.

Hose To Thermostat Housing:

2. Disconnect the hose from the thermostat housing.
3. Disconnect the electrical connections to the water temperature switch.

Thermostat Housing:

4. Remove the outlet elbow.
5. Withdraw the thermostat.

REFIT
1. Insert the thermostat with the jiggle pin/vent hole uppermost (12 o'clock position).
2. Using a new joint washer, fit the outlet elbow and tighten to 24-30 Nm (18-22 ft lb).
3. Reverse 1 to 3.
4. Check for coolant leaks around all hose connections and joint faces.