Removal Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. 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 - One Piece in Propeller Shaft.
Place an alignment mark between the pinion and the pinion yoke.

Fig 1: View Of Pinion Shaft & Pinion Yoke Alignment Marks

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Install the J 8614-01 as shown.

Fig 2: Holding Pinion Yoke With Special Tool

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Remove the pinion nut while holding the J 8614-01 .
Remove the washer.

Fig 3: Removing Pinion Yoke Washer

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Install the J 8614-2 (2) and the J 8614-3 (3) into the J 8614-01 (1) as shown.

Fig 4: Holding Pinion Yoke With Special Tool

Courtesy of GENERAL MOTORS CORP.

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.