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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 (10.5 Inch Axle) >> Assemble Procedure

Assemble 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. Apply a small amount of the proper gear lubricant to the differential side gears and the differential pinion gears. Refer to Fluid and Lubricant Recommendations (USA and Canada) .
    2. Fig 1: Exploded View Of Differential Assembly
    GM2153694Courtesy of GENERAL MOTORS CORP.
    NOTE: If reusing the differential side and pinion gears, install them in the original position.
  2. Install the thrust washers (5) differential side gears (4) into the differential case (6).
  3. Install the differential pinion gears (2), thrust washer (1) on the differential spider (3).
  4. Position the differential thrust washers (1), pinion gears (2) and the spider (3) in the differential case (5).
    5. Fig 2: Aligning Differential Case Arrows
    GM739964Courtesy of GENERAL MOTORS CORP.
  5. Align the arrows on the differential case halves.
    6. Fig 3: Differential Side Gear, Thrust Washer & Differential Pinion Gears
    GM2153858Courtesy of GENERAL MOTORS CORP.
  6. Position the differential side gear (3) and the thrust washer (3) on the differential pinion gears (4).
  7. Install the differential case half (1).
  8. Install 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) .
  9. Install the differential side bearings. Refer to Differential Bearing Replacement .
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