Navigator 4WD V8-5.4L DOHC VIN R (2001)
Differential Cover: Service and Repair
Ford 8.8 - Inch Ring Gear
Differential Housing Cover
Removal
1. WARNING: The electrical power to the air suspension system must be shut off prior to hoisting, jacking or towing an air suspension vehicle. This
can be accomplished by turning off the air suspension switch located in the REI 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 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 new silicone sealant. Cover the inside of the axle before cleaning the machined surface to prevent contamination.
Clean the differential housing cover and differential housing gasket mating surface.
2. CAUTION: Install the differential housing cover within 15 minutes of applying the silicone material.
Apply a continuous bead of sealant, of the specified thickness, to the differential housing cover mounting surface.
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Use Clear Silicone Rubber F7AZ-19554-CA or equivalent meeting Ford specification ESB-M4G92-A.
