Thermostat - 5.4L, 6.8L Gasoline Engines: Removal
WARNING: This page is about a different car, the 2003 Ford Pickup, 2003 Ford F550 Super Duty, 2003 Ford F450 Super Duty, 2003 Ford Excursion, and 2003 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
- Partially drain the cooling system. Refer to Cooling System Draining, Filling and Bleeding .
- Disconnect the upper radiator hose.
- Remove the coolant outlet connection.
- Remove the bolts.
- Remove the coolant outlet connection.
- Remove the (A) coolant thermostat (8575) and the (B) O-ring seal.
- Discard the (B) O-ring seal.