F 250 4WD Super Duty V8-5.4L SOHC VIN L (1999)
Oil Cooler: Service and Repair
Removal
1. If equipped, turn the air suspension switch off.
2. Raise and support vehicle.
3. Remove the drain plug and drain the engine oil.
4. Drain the coolant.
5. On 4x4 vehicles equipped with 5.4L engines, loosen the bolt, and remove the oil cooler.
6. NOTE: Make sure all O-ring seals are in place.
On 4x2 vehicles, remove the oil bypass filter.
7. On 4x2 vehicles, remove the oil cooler insert, and remove the oil cooler.
