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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1585 (Rear Drive Axle) >> Repair Instructions >> Differential Overhaul (8.6, 9.5LD Inch Axles) >> Disassembly Procedure

Disassembly Procedure

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the differential 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) 
  2. Remove the differential side bearings. Refer to Differential Bearing Replacement .
    3. Fig 1: Identifying Side Gears, Pinion Gears & Attached Components
    GM2152359Courtesy of GENERAL MOTORS CORP.
  3. Remove and discard the differential pinion gear shaft lock bolt (2). Replace with NEW only.
  4. Remove the differential pinion gear shaft (1).
    5. NOTE: Mark the top and bottom differential pinion gears and thrust washers, if reusing.
  5. Roll the differential pinion gears (7) and the thrust washers (6) out of the differential case 2).
    6. NOTE: Mark the left and right side differential side gears and the thrust washers, if reusing.
  6. Remove the differential side gears (5) and the thrust washers (4).
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