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Locking Differential Assemble (10.5 Inch Axle)

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IMPORTANT: The left and right side gear backlash and thrust block thickness measurement must be completed before the components of the differential can be assembled.
  1. Install the right side differential side gear shim into the right differential case half.
    2. Fig 1: Installing Right Side Differential Side Gear Shim
    GM882850Courtesy of GENERAL MOTORS CORP.
    Fig 2: Installing Locking Differential Side Gear Cam Unit & Clutch Disc Assembly
    GM882834Courtesy of GENERAL MOTORS CORP.
  2. Install the locking differential side gear cam unit and clutch disc assembly.
  3. Install the latching bracket and spring assembly.
    4. Fig 3: Installing Latching Bracket & Spring Assembly
    GM882851Courtesy of GENERAL MOTORS CORP.
  4. Install the governor assembly.
    5. Fig 4: Installing Governor Assembly
    GM882856Courtesy of GENERAL MOTORS CORP.
  5. Position the straight end of the latching bracket spring over the governor assembly shaft.
    6. Fig 5: Latching Bracket Spring & Governor Assembly Shaft
    GM882857Courtesy of GENERAL MOTORS CORP.
  6. Install the locking differential spider, the differential pinion gears, and the differential pinion gear thrust washers into the differential case.
    7. Fig 6: Installing Locking Differential Spider, Differential Pinion Gears & Differential Pinion Gear Thrust Washers
    GM882859Courtesy of GENERAL MOTORS CORP.
  7. Install the thrust block.
    8. Fig 7: Installing Thrust Block
    GM882860Courtesy of GENERAL MOTORS CORP.
  8. Install the left side differential side gear shim into the left differential case half.
    9. Fig 8: Installing Left Side Differential Side Gear Shim
    GM882831Courtesy of GENERAL MOTORS CORP.
  9. Install the left side clutch disc assembly.
    10. Fig 9: Installing Left Side Clutch Disc Assembly
    GM882829Courtesy of GENERAL MOTORS CORP.
  10. Install the locking differential side gear.
    11. Fig 10: Installing Locking Differential Side Gear
    GM882828Courtesy of GENERAL MOTORS CORP.
  11. Install the left case half to the right case half.

    Hold the left side locking differential side gear and clutch disc assembly in the left side case half.

    Align the governor and latching bracket assembly shaft with the holes in the left case half.

    12. Fig 11: Installing Left Case Half To Right Case Half
    GM882861Courtesy of GENERAL MOTORS CORP.
  12. Turn the differential case over onto the left case half.
    13. NOTE: Refer toFastener Notice in Cautions and Notices.
  13. Install the differential case screws.

    Tighten:  Tighten the differential case screws to 17 N.m (13 lb ft).

    14. Fig 12: Differential Case Screws
    GM882811Courtesy of GENERAL MOTORS CORP.
  14. Install the ring gear. Refer to Drive Pinion and Ring Gear Replacement (8.6 Inch, 9.5 Inch, 11.5 Inch Axles) or Drive Pinion and Ring Gear Replacement (9.75 Inch Axle) or Drive Pinion and Ring Gear Replacement (10.5 Inch Axle) .
  15. Install the differential side bearings. Refer to Differential Side Bearings Replacement (All Except 9.75 Inch Axle) or Differential Side Bearings Replacement (9.75 Inch Axle) .
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