Thermostat: Service and Repair

Thermostat - 3.0L (4V)

Material:

Thermostat - 3.0L (4V):

Removal and Installation
1. With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to Maintenance/Service and Repair.
2. Drain the cooling system. For additional information, refer to Cooling System Draining, Filling and Bleeding.
3. Disconnect the upper radiator-to-thermostat housing hose and position aside.
4. Remove the 3 bolts, thermostat housing cover, O-ring seal and thermostat.
^ Clean and inspect the O-ring seal. Install a new seal if necessary.
^ To install, tighten to 10 Nm (89 inch lbs.).

5. NOTE: Lubricate the thermostat O-ring seal with clean engine coolant.

To install, reverse the removal procedure.
6. Fill and bleed the cooling system.