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Differential Case Assembly - Disassemble

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Tools Required 

J-22888-D  Side Bearing Remover Kit

  1. Place the differential case in a vise.
  2. Install the J-22888-20A  (2) and the J-8107-2  (1) as shown.
  3. Remove the differential side bearings using the J-22888-20A  and the J-8107-2  .
    Fig 1: Installing J-22888-20A & J-8107-2
    G01216452Courtesy of GENERAL MOTORS CORP.

    Important:  The ring gear bolts have left-handed threads.

  4. Remove the ring gear bolts.
    Fig 2: Removing Ring Gear Bolts
    G01216453Courtesy of GENERAL MOTORS CORP.
    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.
  5. Remove the ring gear from the differential case. Drive the ring gear off with a brass drift if necessary.
  6. Remove the pinion shaft lock bolt.
    Fig 3: Removing Ring Gear From Differential Case
    G01216454Courtesy of GENERAL MOTORS CORP.
  7. Remove the pinion shaft.
  8. Remove the differential pinion gears and the differential side gears.
    1. Roll the differential pinion gears out of the case with the pinion thrust washers.
    2. Remove the differential side gears and the side gear thrust washers.

    Mark the pinion gears top and bottom and the differential side gears left and right.

    Fig 4: Removing Differential Pinion Gears & Differential Side Gears
    G01216455Courtesy of GENERAL MOTORS CORP.