Removal Procedure

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2003 GMC Yukon XL, 2003 GMC Yukon, 2003 Chevrolet Tahoe, 2003 Chevrolet Suburban, and 2003 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Important: Observe and mark the positions of all the driveline components, relative to the propeller shaft and the axles, prior to disassembly. These components include the propeller shafts, drive axles, pinion flanges, output shafts, etc. Reassemble all the components in the exact places in which you removed the parts. Follow any specifications, torque values, and any measurements made prior to disassembly.

Raise the vehicle. Refer to LIFTING AND JACKING THE VEHICLE in General Information.
Disconnect the propeller shaft from the rear axle pinion yoke. Refer to PROPELLER SHAFT REPLACEMENT -- REAR in Propeller Shaft.
Place an alignment mark between the pinion and the pinion yoke.

Fig 1: Removing Drive Pinion Flange/Yoke And/Or Oil Seal - 9.75 Inch Axle (1 Of 4)
Courtesy of GENERAL MOTORS CORP.
Install the J 8614-01 as shown.
Remove the pinion nut while holding the J 8614-01.

Fig 2: Removing Drive Pinion Flange/Yoke And/Or Oil Seal - 9.75 Inch Axle (2 Of 4)
Courtesy of GENERAL MOTORS CORP.
Remove the washer.

Fig 3: Removing Drive Pinion Flange/Yoke And/Or Oil Seal - 9.75 Inch Axle (3 Of 4)
Courtesy of GENERAL MOTORS CORP.
Install the J 8614-2 (2) and the J 8614-3 (3) into the J 8614-01 (1) as shown.
Remove the pinion yoke by turning the J 8614-3 (3) clockwise while holding the J 8614-01 (1).
Use a container in order to retrieve the lubricant.
Remove the pinion oil seal. Use a suitable seal removal tool. Do not damage the axle housing.

Fig 4: Removing Drive Pinion Flange/Yoke And/Or Oil Seal - 9.75 Inch Axle (4 Of 4)
Courtesy of GENERAL MOTORS CORP.