Thermostat: Service and Repair
Thermostat-3.0L (4V)
Material

Removal and Installation
1. With the vehicle in NEUTRAL, position it on a hoist.
2. Drain the cooling system.
3. Remove the air cleaner outlet pipe.
4. Disconnect the lower radiator hose from the thermostat housing.
5. NOTE: To install, lubricate the thermostat housing O-ring seal with clean engine coolant.
Remove the 3 bolts, thermostat housing cover, O-ring seal and thermostat.
^ To install, tighten to 10 Nm (89 inch lbs.).
6. To install, reverse the removal procedure.
^ Clean and inspect the O-ring seal. Replace if necessary.
7. Fill and bleed the cooling system.