Silverado 3500 2WD V8-6.6L DSL Turbo VIN 2 (2004)
Fluid - Differential: Service and Repair
Lubricant Replacement
8.6 Inch Axle
Lubricant Replacement - Rear Drive Axle (8.6 Inch Axle)
Removal Procedure
1. Raise the vehicle. Refer to Vehicle Lifting.
2. Remove the rear axle fill plug.
3. Remove the rear axle housing cover bolts (1). Discard the rear axle housing cover bolts.
4. Carefully remove the rear axle housing cover (2) and drain the lubricant into a suitable container.
5. Remove any gasket material from the rear axle housing and/or the rear axle housing cover.
6. Inspect the bottom of the rear axle housing for excessive metal particle accumulation. This accumulation is an indication of extreme wear.
Installation Procedure
1. Install a new gasket and the rear axle housing cover (2).
2. Notice: Refer to Fastener Notice in Service Precautions.
Important: Do not reuse the rear axle housing cover bolts.
