Differential Disassembly

Drive roll pin out of differential housing and discard.
Remove pinion shaft.
Rotate pinion gears out of housing and remove.
Remove side gears.
Remove liner from housing.

Fig 1: Pinion Gears And Components
Courtesy of GENERAL MOTORS CORP.
Remove differential side bearings.
1. To remove the speed sensor side bearing, a bearing puller can be used.
2. To remove the differential gear side bearing, use a two jaw puller. Place a shield over bearing to provide protection if bearing should break.
  
  Fig 2: Removing Differential Gear Side Bearing
  Courtesy of GENERAL MOTORS CORP.