F 150 Super Crew 2WD V8-4.6L SOHC VIN 6 (2003)
Thermostat: Service and Repair
Thermostat-4.6L and 5.4L
Removal
1. Partially drain the cooling system.
2. Disconnect the upper radiator hose.
3. Remove the water outlet connection.
1
Remove the bolts.
2
Remove the water outlet connection.
4. Remove the (A) water thermostat and the (B) O-ring seal.
-
Discard the (B) O-ring seal.
Installation
1. Use a new (A) O-ring seal to position the (B) water thermostat in the (C) upper intake manifold.
