Express 1500 AWD V8-5.3L VIN T (2004)
Differential Cover: Service and Repair
9.75 Inch, 10.5 Inch Axles
Rear Axle Housing Cover and Gasket Replacement (9.75 Inch, 10.5 Inch Axles)
Removal Procedure
1. Raise the vehicle.
2. Clean the area around the rear axle fill plug.
3. Remove the rear axle fill plug.
4. Remove the rear axle housing cover bolts. Discard the rear axle housing cover bolts.
5. Carefully remove the rear axle housing cover from the axle housing and drain the lubricant into a suitable container.
6. Remove any sealant from the rear axle housing and/or the rear axle housing cover.
7. Inspect the bottom of the rear axle housing for excessive metal particle accumulation. This accumulation may be a indication of extreme wear.
Installation Procedure
1. Apply an approximately 3.18 - 6.35 mm (1/8 - 1/4 inch) high and 3.18 - 6.35 mm (1/8 - 1/4 inch) wide bead of sealant, GM P/N 12346240
(Canadian P/N 10953493) or equivalent, to the rear axle housing cover.
The sealant is to be applied in the middle of the rear axle housing cover flange and on the inside of all bolt hole openings as shown.
2. Install the rear axle housing cover.
