Differential Case Assembly Disassemble (9.25 Inch Axle)

Tools Required

• J 22888-D  Side Bearing Remover Kit. See Special Tools .
• J 36597  Side Bearing Puller Pilot - 9. See Special Tools .25 in Axle

1. Remove the differential side bearing by performing the following steps:
   1. Place the differential case in a vise.
   Fig 1: Identifying Special Tool J 22888-20A & Differential Side Bearing
   Courtesy of GENERAL MOTORS CORP.
   2. Install the J 22888-20A  (2) and the J 36597  (1) as shown. See Special Tools .
   3. Remove the differential side bearings using theJ 22888-20A  .
2. Remove the differential assembly from the vise.
Fig 2: Identifying Ring Gear Bolts
Courtesy of GENERAL MOTORS CORP.
IMPORTANT: The ring gear bolts have left-hand threads.
3. Remove the ring gear bolts. Discard the bolts.
Fig 3: View Of From Differential Ring Gear Removal
Courtesy of GENERAL MOTORS CORP.
NOTE: 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.
4. Remove the ring gear from the differential case.

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

Fig 4: View Of Pinion Shaft Lock Bolt
Courtesy of GENERAL MOTORS CORP.
5. Remove the pinion shaft lock bolt.
Fig 5: View Of Differential & Pinion Shaft
Courtesy of GENERAL MOTORS CORP.
6. Remove the pinion shaft.
7. Remove the differential side gear spacers.
Fig 6: Identifying Differential Pinion Gears & Thrust Washers
Courtesy of GENERAL MOTORS CORP.
8. Remove the differential pinion gears and thrust washers by performing the following steps:
   1. Drive the pinion gear thrust washers out from the differential case using a hammer and a brass drift.
   2. Roll the differential pinion gears out of the differential case.

      Mark the pinion gears and thrust washers top and bottom.

Fig 7: Differential Side Gears & Thrust Washers
Courtesy of GENERAL MOTORS CORP.
9. Remove the differential side gears and thrust washers.

   Mark the differential side gears and thrust washers left and right.