Front Differential Case Disassemble

Special Tools

• J-22912-B  Bearing Remover
• J-8433-1  Puller
• DT-50315  Bolt Kit

1. Place the differential case in a vise.
CAUTION:

Do not cut the bearing cone from the differential case, it could damage the differential case and require replacement with a new differential case.

Fig 1: View Of Differential Side Bearing
Courtesy of GENERAL MOTORS COMPANY
2. Install the J-22912-B  bearing remover and J-8433-1  puller using the DT-50315  bolt kit
3. Remove the differential side bearings.
Fig 2: View Of Ring Gear Bolts
Courtesy of GENERAL MOTORS COMPANY
4. Remove the ring gear bolts.
CAUTION:

Do not pry the ring gear from the differential case. Prying the ring gear from the differential case may cause damage to the ring gear and/or the differential case.

Fig 3: Removing Ring Gear
Courtesy of GENERAL MOTORS COMPANY
5. Remove the ring gear from the differential case.

   Drive the ring gear off with a brass drift, if necessary.

Fig 4: Pinion Shaft Lock Roll Pin
Courtesy of GENERAL MOTORS COMPANY
6. Remove the pinion shaft lock roll pin (1).
Fig 5: View Of Differential And Pinion Shaft
Courtesy of GENERAL MOTORS COMPANY
7. Remove the pinion shaft.
Fig 6: Exploded View Of Differential Case
Courtesy of GENERAL MOTORS COMPANY
8. Remove the differential pinion gears and the differential side gears.
   1. Mark the pinion gears top and bottom and the differential side gears left and right.
   2. Roll the differential pinion gears out of the case with the pinion thrust washers.
   3. Remove the differential side gears and the side gear thrust washers.