Thermostat: Service and Repair

Thermostat - 4.0L SOHC

Exploded View, 4.0L SOHC (1 Of 2):

Exploded View, 4.0L SOHC (2 Of 2):

Removal and Installation

1. Drain the engine cooling system.

2. Release the clamp and disconnect the upper radiator hose from the thermostat housing cover.

3. Remove the bolts and the thermostat housing cover.
- To install, tighten to 10 Nm (89 lb-in).

4. Remove the thermostat.

5. NOTE: Inspect the thermostat housing cover O-ring seal. Install a new O-ring seal if necessary.

To install, reverse the removal procedure.