Expedition 4WD V8-5.4L SOHC VIN 5 (2005)
Thermostat: Service and Repair
Thermostat and Thermostat Housing
Material
Material
Removal and Installation
1. Drain the engine cooling system.
2. Remove the two bolts, the thermostat housing, and the thermostat. Discard the O-ring seal.
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Inspect the mating surfaces. Clean the sealing surfaces with metal surface prep.
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Install a new O-ring seal. Lubricate the O-ring seal with clean engine coolant prior to installation.
