F 150 2WD V8-4.6L VIN W (2007)
Thermostat: Service and Repair
Thermostat - 4.6L (2V)
Removal and Installation
1. Drain the engine cooling system.
2. Remove the air cleaner outlet pipe.
3. If servicing the thermostat housing, release the upper radiator hose clamp and disconnect the radiator hose from the thermostat housing.
4. Remove the power steering upper bracket-to-thermostat housing bolt.
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To install, tighten to 11 Nm (8 ft. lbs.).
5. Remove the power steering upper bracket-to-intermediate bracket bolts and the power steering upper bracket.
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To install, tighten to 17 Nm (13 ft. lbs.).
6. Remove the bolts and position the thermostat housing aside.
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To install, tighten to 25 Nm (18 ft. lbs.).
7. Remove the thermostat and the O-ring seal. Discard the O-ring seal.
