GM Service Manual Online
For 1990-2009 cars only

Locking Differential Cam Unit Disassemble 8.6 Inch Axle

  1. Remove the guide clips.

  2. Object Number: 6343  Size: SH
  3. Remove the retaining ring.

  4. Object Number: 789220  Size: SH
  5. Disassemble the locking differential side gear cam unit and clutch disc assembly as follows:
  6. 3.1. Remove the clutch discs and the splined discs (7-14).
    3.2. Remove the wave washer (5).
    3.3. Remove the fuse disc (4).
    3.4. Remove the carbon eared disc (3).
    3.5. Disassemble the cam plate (2) from the cam side gear (1).

Locking Differential Cam Unit Disassemble 9.5 Inch Axle

Tools Required

    • J 22912-O1 Split Plate Bearing Puller
    • J 45232 Differential Bearing Adjuster Needle Bearing Installer - LH
  1. Measure and record the overall length of the gear assembly from the front of the gear to the thrust sleeve, including the side gear thrust washer.
  2. Remove the guide clips.

  3. Object Number: 886078  Size: SH
  4. Remove the thrust sleeve using the J 22912-O1  (2) and the J 45232  (1), if necessary, and a hydraulic press.

  5. Object Number: 797776  Size: SH
  6. Disassemble the locking differential side gear cam unit and clutch disc assembly as follows:
  7. 4.1. Remove the clutch discs and the splined discs (7-14).
    4.2. Remove the wave washer (5).
    4.3. Remove the fuse disc (4).
    4.4. Remove the carbon eared disc (3).
    4.5. Disassemble the cam plate (2) from the cam side gear (1).

Locking Differential Cam Unit Disassemble 10.5 Inch Axle

Tools Required

    • J 22912-O1 Split Plate Bearing Puller
    • J 45232 Differential Bearing Adjuster Needle Bearing Installer - LH
  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. Object Number: 886078  Size: SH
  4. Remove the thrust sleeve using the J 22912-O1  (2) and the J 45232  (1), if necessary, and a hydraulic press.

  5. Object Number: 797863  Size: SH
  6. Disassemble the locking differential side gear cam unit and clutch disc assembly as follows:
  7. 4.1. Remove the clutch discs and the splined discs (6, 8-14).
    4.2. Remove the wave washer (5).
    4.3. Remove the fuse disc (4).
    4.4. Remove the carbon eared disc (3).
    4.5. Disassemble the cam plate (2) from the cam side gear (1).