Removal Procedure

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.

Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
Remove the differential. Refer to Differential Replacement .
Remove the drive pinion from the axle. Refer to Drive Pinion and Ring Gear Replacement .

Fig 1: Removing Inner Pinion Bearing Using Hydraulic Press

Courtesy of GENERAL MOTORS CORP.

For the 8.0 inch axle, press the bearing off of the pinion using the J 22912-01 .

Fig 2: Installing Special Tools To Press Off Pinion Bearing

Courtesy of GENERAL MOTORS CORP.

For the 8.6 inch axle, install the J 45871 (1) around the pinion bearing and the J 22912-01 (2) in the inverted position around the J 45871 . See Special Tools and Equipment .
Press the bearing off of the pinion using the J 45871 and the J 22912-01 . See Special Tools and Equipment .
Remove the shim.

Fig 3: Outer Pinion Bearing Cup

Courtesy of GENERAL MOTORS CORP.

Remove the outer pinion bearing cup from the axle housing using a hammer and a brass drift in the slots provided. Move the drift back and forth between one side of the cup and the other in order to work the cups out of the housing evenly.

Fig 4: Inner Pinion Bearing Cup

Courtesy of GENERAL MOTORS CORP.

Remove the inner pinion bearing cup from the axle housing using a hammer and a brass drift in the slots provided. Move the drift back and forth between one side of the cup and the other in order to work the cups out of the housing evenly.