Special Tools

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

J 22912-01: Split Plate Bearing Puller
J 45232: Adjuster Bearing Replacer (left Side)

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.

Fig 1: Removing Thrust Sleeve

Courtesy of GENERAL MOTORS CORP.

Using a hydraulic press, the J 22912-01: puller (2) and the J 45232: replacer (1), remove the thrust sleeve.

Fig 2: Disassembled View Of Locking Differential Cam & Locking Differential Side Gear

Courtesy of GENERAL MOTORS CORP.

Remove the differential side gear shim (6).
Remove the locking differential side gear thrust sleeve (5).
Remove and disassemble the locking differential clutch disc set (7).

NOTE: The locking differential clutch disc thrust washer is not serviced separately. It is serviced with the locking differential clutch disc set.

Remove the locking differential clutch disc thrust washer (3).

NOTE: The locking differential clutch disc guide is not serviced separately. It is serviced with the locking differential clutch disc set.

Remove the locking differential clutch disc guide (4).
Remove the locking differential cam (2).