Diesel Data: Automotive Repair

Thermostat Removal and Installation

Thermostat Removal and Installation

Removal
1) Drain coolant.
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
Reference: 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.
^ Check cooling system for leakage.