Operation CHARM: Car repair manuals for everyone.

Thermostat: Service and Repair




Thermostat - 3.0L (4V)













Removal and Installation

1. With the vehicle in NEUTRAL, position it on a hoist.

2. Drain the cooling system. For additional information, refer to Cooling System Draining, Filling and Bleeding Service and Repair.

3. Disconnect the lower radiator hose from the thermostat housing.

4. NOTE: To install, lubricate the thermostat housing O-ring seal with clean engine coolant.

Remove the 2 bolts, thermostat housing cover, O-ring seal and thermostat.

- To install, tighten to 10 Nm (89 lb-in).

5. To install, reverse the removal procedure.
- Clean and inspect the O-ring seal. Install a new seal if necessary.

6. Fill and bleed the cooling system. For additional information, refer to Cooling System Draining, Filling and Bleeding Service and Repair.