Sierra 3500 4WD V8-8.1L VIN G (2006)
1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
2. Remove the tire and wheel assembly.
3. Remove the brake caliper.
4. Remove the rear cover and the gasket.
5. Remove the pinion shaft locking bolt.
6. On axles without a locking differential, remove the pinion shaft.