Locking Differential Cam Unit Disassemble (10.5 Inch Axle)

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.

Tools Required

J 22912-01 Split Plate Bearing Puller
J 45232 Differential Bearing Adjuster Needle Bearing Installer - LH. See Special Tools and Equipment .

Measure and record the overall length of the locking differential cam, side gear and clutch plate assembly from the front of the gear to the back of the thrust sleeve, including the locking differential clutch disc thrust washer.
Remove the guide clips.
Remove the thrust sleeve using the J 22912-01 (2) and the J 45232 (1), if necessary, and a hydraulic press.

Fig 1: Removing The Thrust Sleeve Using J 45232 & J 22912-O1

Courtesy of GENERAL MOTORS CORP.

Disassemble the locking differential side gear cam unit and clutch disc assembly as follows:
1. Remove the clutch discs and the splined discs (6, 8-14).
2. Remove the wave washer (5).
3. Remove the fuse disc (4).
4. Remove the carbon eared disc (3).
5. Disassemble the cam plate (2) from the cam side gear (1).

Fig 2: Locking Differential Side Gear Cam Unit & Clutch Disc Assembly (10.5 Inch Axle)

Courtesy of GENERAL MOTORS CORP.