Thermostat: Service and Repair

Thermostat













Removal and Installation

1. WARNING: Before servicing a vehicle equipped with a fire suppression system, depower the system by following the procedure in Fire Suppression System. Failure to follow the instructions may result in serious personal injury. Procedures

Drain the cooling system. For additional information, refer to Cooling System Draining, Filling and Bleeding Cooling System Draining, Filling and Bleeding.

2. Remove the 2 bolts and position aside the coolant outlet adapter and hose.
- To install, tighten to 25 Nm (18 lb-ft).

3. Remove the O-ring seal and the coolant thermostat from the intake manifold.
- Discard the O-ring seal.

- Clean all sealing surfaces with metal surface prep.

4. WARNING: If the vehicle is equipped with a fire suppression system, repower the system. For important safety warnings and procedures, refer to Fire Suppression System. Failure to follow these instructions may result in serious personal injury. Procedures

To install, reverse the removal procedure. If equipped with a fire suppression system, repower the system.

5. Fill and bleed the cooling system. For additional information, refer to Cooling System Draining, Filling and Bleeding Cooling System Draining, Filling and Bleeding.