Drain and Refill

Special Tools:

1. Raise the vehicle on a hoist.
2. Remove the differential fill plug.
3. Use the oil suction gun and remove the axle lubricant through the fill opening.
4. If necessary, a cleaning solvent can be injected to remove any contaminants.
5. Repeat Step 3 to remove the cleaning solvent.
6. Refill the differential with Motorcraft SAE 80W90 Thermally Stable 4x4 Axle Lubricant meeting Ford specification WSP-M2C197-A.
7. Install the fill plug and tighten.