Locking Differential Cam Unit Disassemble

WARNING: This page is about a different car, the 2003 Oldsmobile Bravada, 2003 GMC Envoy XL, 2003 GMC Envoy, and 2003 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.

Remove the retaining ring.

Fig 1: Removing Retaining Ring
Courtesy of GENERAL MOTORS CORP.
Disassemble the earn unit, and clutch disc assembly as follows:
1. Remove the guide clips (6).
2. Remove the clutch discs and the splined discs (7-14).
3. Remove the wave washer (5).
4. Remove the fuse disc (4).
5. Remove the carbon eared disc (3).
6. Disassemble the cam plate (2) from the cam side gear (1).
  
  Fig 2: Identifying Cam Unit And Clutch Disc Components
  Courtesy of GENERAL MOTORS CORP.