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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 214 (Rear Drive Axle) >> Repair Instructions >> Locking Differential Disassemble (10.5 Inch Axle)

Locking Differential Disassemble (10.5 Inch Axle)

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  1. Remove the differential assembly. Refer to Differential Replacement (10.5 Inch Axle)  or Differential Replacement (8.6 Inch Axle) .
  2. Remove the ring gear. Refer to Drive Pinion and Ring Gear Replacement (10.5 Inch Axle)  or Drive Pinion and Ring Gear Replacement (8.6 Inch Axle) .
  3. Remove the differential side bearings. Refer to Differential Side Bearings Replacement .
    4. Fig 1: View Of Differential Case Screws
    GM882811Courtesy of GENERAL MOTORS CORP.
  4. Remove the differential case screws.
    5. Fig 2: Separating Case Halves
    GM882813Courtesy of GENERAL MOTORS CORP.
  5. Separate the case halves by performing the following steps:
    1. Pry the case halves apart at the yoke hole location.
    2. Hold the locking differential cam, side gear and clutch plate assembly in the right side case half.
    6. Fig 3: View Of Governor Assembly (10.5 Inch Axle)
    GM882817Courtesy of GENERAL MOTORS CORP.
  6. Remove the governor assembly.
    7. Fig 4: View Of Latching Bracket Assembly (10.5 Inch Axle)
    GM882818Courtesy of GENERAL MOTORS CORP.
  7. Remove the latching bracket assembly.
    8. Fig 5: View Of Thrust Block
    GM882823Courtesy of GENERAL MOTORS CORP.
  8. Remove the thrust block.
    9. Fig 6: View Of Locking Differential Spider, Differential Pinion Gears & Thrust Washers (Left Side)
    GM882827Courtesy of GENERAL MOTORS CORP.
  9. Remove the following components from the differential case:
    • The locking differential spider
    • The differential pinion gears
    • The differential pinion gear thrust washers
  10. Mark the differential spider, the differential pinion gears and the differential pinion gears accordingly in order to re-assemble the components correctly into the differential case.
    11. Fig 7: View Of Locking Differential Side Gear
    GM882828Courtesy of GENERAL MOTORS CORP.
  11. Remove the locking differential side gear.
    12. Fig 8: View Of Left Side Clutch Disc Assembly
    GM882829Courtesy of GENERAL MOTORS CORP.
  12. Remove the left side clutch plates and the guide clips.
    13. Fig 9: View Of Left Side Gear Thrust Washer
    GM882831Courtesy of GENERAL MOTORS CORP.
  13. Remove the left side gear thrust washer.
    14. Fig 10: View Of Right Side Cam Unit & Clutch Plate Assembly
    GM882834Courtesy of GENERAL MOTORS CORP.
  14. Remove the right side cam unit and clutch plate assembly.
    15. Fig 11: View Of Right Side Locking Differential Clutch Disc Thrust Washer
    GM882850Courtesy of GENERAL MOTORS CORP.
  15. Remove the right side locking differential clutch disc thrust washer.
  16. Disassemble the left side differential side gear and clutch disc assembly. Refer to Locking Differential Clutch Disc Assembly Disassemble (8.6 Inch Axle)  or Locking Differential Clutch Disc Assembly Disassemble (10.5 Inch Axle) .
  17. Disassemble the right side locking differential side gear cam unit and clutch disc assembly. Refer to Locking Differential Cam Unit Disassemble (8.6 Inch Axle)  or Locking Differential Cam Unit Disassemble (10.5 Inch Axle) .
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