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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 259 (Front Drive Axle) >> Repair Instructions >> Front Differential Case Disassemble (9.25 Inch Axle) >> Disassemble

Front Differential Case Disassemble (9.25 Inch Axle): Disassemble

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  1. Place the differential case in a vise.
    2. Fig 1: Removing Differential Side Bearing
    GM680400Courtesy of GENERAL MOTORS CORP.
  2. Using the J 22888-20A  (2) and the J 36597  (1), remove the differential side bearings. See Special Tools .
  3. Remove the differential assembly from the vise.
    4. Fig 2: Identifying Ring Gear Bolts
    GM866503Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: The ring gear bolts have left-hand threads.
  4. Remove the ring gear bolts. Discard the bolts.
    5. Fig 3: Removing Ring Gear From Differential
    GM866502Courtesy 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.
  5. Using a brass drift and a hammer, remove the ring gear from the differential case.
    6. Fig 4: View Of Pinion Shaft Lock Bolt
    GM851727Courtesy of GENERAL MOTORS CORP.
  6. Remove the pinion shaft lock bolt.
    7. Fig 5: View Of Differential And Pinion Shaft
    GM851733Courtesy of GENERAL MOTORS CORP.
  7. Remove the pinion shaft.
  8. Remove the differential side gear spacers, if equipped.
    9. Fig 6: Identifying Differential Pinion Gears & Thrust Washers
    GM851732Courtesy of GENERAL MOTORS CORP.
  9. Using a brass drift and a hammer, drive the pinion gear thrust washers out from the differential case.
    10. IMPORTANT: Mark the pinion gears and thrust washers top and bottom.
  10. Roll the differential pinion gears out of the differential case.
    11. Fig 7: Differential Side Gears & Thrust Washers
    GM851734Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Mark the differential side gears and thrust washers left and right.
  11. Remove the differential side gears and thrust washers.
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