Thermostat: Service and Repair
Thermostat-4.6L (2V)Removal and Installation
1. Drain the coolant below the water thermostat.
2. Remove the engine appearance cover.
3. Remove the bolts, the water outlet adapter and hose and position out of the way.
4. Remove the water thermostat and the O-ring seal from the intake manifold.
^ Inspect the O-ring seal, install a new seal if necessary.
5. To install, reverse the removal procedure.