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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1331 (Rear Drive Axle) >> Repair Instructions >> Locking Differential Cam Unit Disassemble (10.5 Inch Axle) >> Disassembly Procedure

Disassembly Procedure

WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. 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.
  2. Remove the guide clips.
    3. Fig 1: Identifying Thrust Sleeve Using J 45232 & J 22912-O1
    GM886078Courtesy of GENERAL MOTORS CORP.
  3. Using a hydraulic press, the J 22912-01:  puller (2) and the J 45232:  replacer (1), remove the thrust sleeve.
    4. Fig 2: Disassembled View Of Locking Differential Cam & Locking Differential Side Gear
    GM2158380Courtesy of GENERAL MOTORS CORP.
  4. Remove the differential side gear shim (6).
  5. Remove the locking differential side gear thrust sleeve (5).
  6. Remove and disassemble the locking differential clutch disc set (7).
    7. NOTE: The locking differential clutch disc thrust washer is not serviced separately. It is serviced with the locking differential clutch disc set.
  7. Remove the locking differential clutch disc thrust washer (3).
    8. NOTE: The locking differential clutch disc guide is not serviced separately. It is serviced with the locking differential clutch disc set.
  8. Remove the locking differential clutch disc guide (4).
  9. Remove the locking differential cam (2).
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