Thermostat: Service and Repair

Thermostat 4.6L (2V)





Removal and Installation
1. Drain the cooling system.
2. Remove the bolts and position the thermostat housing cover out of the way.
3. Remove the O-ring seal and the thermostat.

Installation
1. Install the thermostat with the spring facing down.

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

Install the O-ring seal.
3. Position the thermostat housing cover and the bolts.
^ Tighten to 25 Nm (18 ft. lbs.).

4. Fill and bleed the cooling system.