Diesel Data: Automotive Repair

Thermostat Removal and Installation




Thermostat Removal and Installation

Removal

1) Drain coolant. Cooling System Draining
2) Remove engine wire harness bracket (1).





3) Disconnect radiator outlet hose (1) from thermostat cap (2).
4) Remove thermostat cap (2) from water pump (3).





5) Remove thermostat (1) from water pump (2).






Installation

Thermostat Inspection

Reverse removal procedure noting the following points:

- When installing thermostat (1) on water pump case, be sure to position it so that air bleed valve (2) is aligned with matchmark (3).





- Refill cooling system. Cooling System Refilling
- Check cooling system for leakage.