Thermostat: Service and Repair

Thermostat - 4.0L SOHC

Material:

Material

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

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

Removal and Installation

1. Drain the cooling system.

2. Remove the Air Cleaner (ACL) outlet pipe.

3. Remove the Throttle Body (TB).

4. Remove the 3 upper thermostat housing bolts and position aside the thermostat housing.
- Discard the thermostat O-ring seal.
- To install, tighten to 10 Nm (89 lb-in).

5. Remove the thermostat.

6. To install, reverse the removal procedure.
- Install a new thermostat O-ring seal and lubricate with clean engine coolant.

7. Fill and bleed the cooling system.