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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1050 (Drive Axle - Locking/Limited Slip) >> Repair Instructions >> Locking Differential Disassemble (8.6, 9.5, 11.5 Inch Axle)

Locking Differential Disassemble (8.6, 9.5, 11.5 Inch Axle)

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Tools Required 

J 26252  Locking Differential Governor Remover. See Special Tools and Equipment .

  1. Remove the ring gear, if necessary. 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) in Rear Drive Axle.
  2. Remove the governor bushing using the J 26252  .
  3. Fig 1: Remove Governor Bushing
    GM6341Courtesy of GENERAL MOTORS CORP.
  4. Remove the governor assembly.

    To aid in the removal of the governor assembly, turn the side gear as necessary to position the governor assembly between two of the side gear teeth.

  5. Remove the latching bracket assembly bushing using the J 26252  .

    To aid in the removal of the latching bracket assembly, turn the side gear as necessary to position the latching bracket assembly between two of the side gear teeth.

  6. Fig 2: Remove Latching Bracket Assembly Bushing
    GM6342Courtesy of GENERAL MOTORS CORP.
  7. For the 8.6, 9.5 inch axles, remove the pinion shaft lock bolt.
  8. For the 11.5 inch axle, remove the pinion shaft retaining pin.
  9. Remove the pinion shaft.
  10. Remove the differential pinion gears and the thrust washers.

    Rotate the pinion gears and roll the pinion gears and the thrust washers out of the case through the differential window.

    Mark the pinion gears and thrust washers accordingly for re-assembly.

  11. Remove the thrust block.
  12. Remove the right side gear and clutch discs assembly.
  13. Remove the right side shim.
  14. Remove the left side gear (cam unit) and clutch disc assembly.
  15. Fig 3: View Of Left Side Gear Cam Unit & Clutch Disc Assembly
    GM790759Courtesy of GENERAL MOTORS CORP.
  16. Remove the left side gear thrust washer.
  17. Fig 4: View Of Left Side Gear Thrust Washer
    GM790754Courtesy of GENERAL MOTORS CORP.