Ford 8.8-Inch Ring Gear High Torque - Rear Drive Axle/Differential

Differential Housing Cover








Removal
1. With the vehicle in NEUTRAL, position it on a hoist.
2. Remove the differential housing cover.
1 Remove the 10 differential housing cover bolts and drain the lubricant from the rear axle housing.
2 Remove the differential housing cover.





Installation

1. NOTE: Make sure the machined surfaces on both the rear axle housing and the differential housing cover are clean and free of oil before installing the new silicone sealant. The inside of the rear axle must be covered when cleaning the machined surface to prevent contamination.

Clean the gasket mating surface of the rear axle and the differential housing cover.
2. Apply a new continuous bead of sealant to the differential housing cover.





3. NOTE: The differential housing cover must be installed within 15 minutes of application of the silicone, or new sealant must be applied. If possible, allow one hour before filling with lubricant to make sure the silicone sealant has correctly cured.

Install the differential housing cover and 10 bolts.
^ Tighten to 45 Nm (33 lb-ft).





4. NOTE: First fill the rear axle with 118 ml (4 oz) of friction modifier.

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

Remove the filler plug, fill the rear axle with 2.54L (5.37 pt) of rear axle lubricant and install the filler plug.
^ Tighten to 52 Nm (38 lb-ft).