Thermostat: Service and Repair
Thermostat-4.6LRemoval and Installation
1. Drain the cooling system.
2. Remove the engine appearance cover.
3. Disconnect the upper radiator hose.
4. Remove the bolts, the water outlet adapter, and the thermostat.
- Inspect the O-ring seal. Install a new O-ring seal if necessary.
5. To install, reverse the removal procedure.