Diesel Data: Automotive Repair

Thermostat: Service and Repair

Thermostat

Removal and Installation
1. Drain the engine coolant.





2. Remove the bolts and coolant outlet connection.





3. Position aside the coolant outlet connection and the upper radiator hose.





4. Remove the thermostat and O-ring seal from the upper intake manifold.
^ Inspect the O-ring seal. Install a new seal if necessary.
5. To install, reverse the removal procedure.