F 150 4WD Pickup V8-4.6L SOHC VIN W (1998)
Thermostat: Service and Repair
REMOVAL
1. Partially drain the cooling system.
2. Remove 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.
-
Discard the (B) O-ring.
INSTALLATION
1. Use a new (A) O-ring to position the (B) water thermostat in the (C) upper intake manifold.
