Thermostat: Service and Repair

Thermostat Replacement (8.11- Engine)

Removal Procedure





1. Drain the cooling system. Refer to Draining and Filling Cooling System.
2. Reposition the inlet hose clamp at the water outlet.
3. Remove the inlet hose from the water outlet.





4. Remove the water outlet bolts (2).
5. Remove the water outlet (1).
6. Remove the thermostat (3).

Installation Procedure





1. Install the thermostat (3).
2. Install the water outlet (1).

Notice: Refer to Fastener Notice in Cautions and Notices.

3. Install the water outlet bolts (2).
- Tighten the water outlet bolts to 30 Nm (22 ft. lbs.).





4. Install the inlet hose to the water outlet.
5. Position the inlet hose clamp at the water outlet.
6. Fill the cooling system. Refer to Draining and Filling Cooling System.