Expedition 4WD V8-4.6L SOHC VIN W (1999)
Differential Cover: Service and Repair
8.8 Inch Ring Gear
Removal
1. WARNING: The electrical power to the air suspension system must be shut off prior hoisting, jacking or towing an air suspension
vehicle. This can be accomplished by turning off the air suspension switch located in the RH kick panel area. Failure to do so can result in
unexpected inflation or deflation of the air springs, which can result in shifting of the vehicle during these operations.
Raise and support the vehicle.
2. NOTE: Empty the lubricant into a clean container for reuse.
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. CAUTION: 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.
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Use Silicone Rubber D6AZ-19562-AA or equivalent meeting Ford specifications ESB-M4G92-A and ESE-M4G195-A.
