Removal Procedure

WARNING: This page is about a different car, the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Of Case Extension Housing Rear Oil Seal

Courtesy of GENERAL MOTORS CORP.

Raise the vehicle. Refer to Lifting and Jacking the Vehicle .
Place a drain pan under the vehicle.
Remove the propeller shaft. Refer to Rear Propeller Shaft Replacement .
Remove the case extension housing rear oil seal. Use a flat bladed tool and carefully pry the seal from the housing.
Inspect the case extension housing for damage. Replace the extension housing if necessary. Refer to Case Extension Assembly Replacement .