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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1331 (Rear Drive Axle) >> Repair Instructions >> Locking Differential Assemble (10.5 Inch Axle)

Locking Differential Assemble (10.5 Inch Axle)

WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: The left and right side gear backlash and thrust block thickness measurement must be completed before the components of the differential can be assembled.
    Fig 1: View Of Right Side Locking Differential Clutch Disc Thrust Washer
    GM882850Courtesy of GENERAL MOTORS CORP.
  1. Install the right side differential side gear shim into the right differential case half.
  2. Fig 2: View Of Right Side Cam Unit & Clutch Plate Assembly
    GM882834Courtesy of GENERAL MOTORS CORP.
  3. Install the locking differential side gear cam unit and clutch disc assembly.
  4. Fig 3: Identifying Latching Bracket & Spring Assembly
    GM882851Courtesy of GENERAL MOTORS CORP.
  5. Install the latching bracket and spring assembly.
  6. Fig 4: Identifying Governor Assembly
    GM882856Courtesy of GENERAL MOTORS CORP.
  7. Install the governor assembly.
  8. Fig 5: Identifying Latching Bracket Spring & Governor Assembly Shaft
    GM882857Courtesy of GENERAL MOTORS CORP.
  9. Position the straight end of the latching bracket spring over the governor assembly shaft.
  10. Fig 6: View Of Locking Differential Spider, Differential Pinion Gears & Thrust Washers (Right Side)
    GM882859Courtesy of GENERAL MOTORS CORP.
  11. Install the locking differential spider, the differential pinion gears, and the differential pinion gear thrust washers into the differential case.
  12. Fig 7: View Of Thrust Block
    GM882860Courtesy of GENERAL MOTORS CORP.
  13. Install the thrust block.
  14. Fig 8: View Of Left Side Gear Thrust Washer
    GM882831Courtesy of GENERAL MOTORS CORP.
  15. Install the left side differential side gear shim into the left differential case half.
  16. Fig 9: View Of Left Side Clutch Disc Assembly
    GM882829Courtesy of GENERAL MOTORS CORP.
  17. Install the left side clutch disc assembly.
  18. Fig 10: View Of Locking Differential Side Gear
    GM882828Courtesy of GENERAL MOTORS CORP.
  19. Install the locking differential side gear.
  20. Fig 11: View of Left Case Half & Right Case Half
    GM882861Courtesy of GENERAL MOTORS CORP.
  21. 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.

  22. Turn the differential case over onto the left case half.
  23. Fig 12: View Of Differential Case Screws
    GM882811Courtesy of GENERAL MOTORS CORP.
    CAUTION: Refer to Fastener Caution .
  24. Install the differential case screws.

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

  25. Install the ring gear. Refer to Drive Pinion and Ring Gear Replacement (8.6, 9.5/9.5 LD, and 11.5 Inch Axles)  or Drive Pinion and Ring Gear Replacement (10.5 Inch Axle) .
  26. Install the differential side bearings. Refer to Differential Side Bearings Replacement .