Differential Cover: Service and Repair

Differential Housing Cover

Removal
1. Position the vehicle on a hoist. Place vehicle in neutral.





2. Remove the differential housing cover.
1 Remove the bolts and drain the lubricant from the differential housing.
2 Remove the differential housing cover.

Installation

1. CAUTION: The machined surfaces on the differential housing and the differential housing cover must be clean and free of oil before applying the silicone sealant. Cover the inside of the rear axle prior to cleaning the machined surface to prevent contamination.

Clean the gasket mating surfaces.





2. CAUTION: Install the differential housing cover within 15 minutes of applying the silicone, or it will be necessary to apply new sealant.

Apply a continuous bead of sealant to the differential housing cover.
- Use Clear Silicone Rubber D6AZ-19562-AA or equivalent meeting Ford specification ESB-M4G92-A.





3. NOTE: If possible, allow one hour before filling the axle with lubricant to allow the silicone sealant to cure.

Install the differential housing cover.
1 Position the differential housing cover.
2 Install the bolts.





4. CAUTION: For Traction-Lok axles, first fill the rear axle with 118 ml (4 oz) of Additive Friction Modifier C8AZ-19B546-A or equivalent meeting Ford specification EST-M2C118-A.

NOTE: Service refill capacities are determined by filling the rear axle to the level shown.

Fill the rear axle with 2.4 liters (5.0 pints) of lubricant and install the fill plug.
- For conventional axles, use SAE 80W-90 Premium Rear Axle Lubricant XY-80W90-QL or equivalent meeting Ford specification WSP-M2C197-A.
- For Traction-Lok axles, use SAL 75W-140 Synthetic Rear Axle Lubricant FITZ-19580-B or equivalent meeting Ford specification WSL-M2C192-A.
5. Lower the vehicle.