Explorer 4WD V6-4.0L (2009)
Thermostat: Service and Repair
Thermostat
Thermostat - 4.0L SOHC
Removal and Installation
1. Drain the engine cooling system. For additional information, refer to Cooling System Draining, Filling and Bleeding See: Service and
Repair/Procedures/Cooling System Draining, Filling and Bleeding.
2. Release the clamp and disconnect the upper radiator hose from the thermostat housing cover.
3. Remove the bolts and the thermostat housing cover.
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To install, tighten to 10 Nm (89 lb-in).
4. Remove the thermostat.
5. NOTE: Inspect the thermostat housing cover O-ring seal. Install a new O-ring seal if necessary.
To install, reverse the removal procedure.