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Installation Procedure

WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the oil deflector into the inner pinion cup bore.
    2. Fig 1: Install Oil Deflector
    G01480732Courtesy of GENERAL MOTORS CORP.
  2. Install the inner pinion bearing cup using the J 45704  (2) and the J 8092  (1).
    Fig 2: Install Inner Pinion Bearing Cup Using J 45702 & J 8092
    G01480733Courtesy of GENERAL MOTORS CORP.
  3. Install the outer pinion bearing cup using the J 7818  (2) and the J 8092  (1).
    Fig 3: Install Outer Pinion Bearing Cup Using J 7818 & J 8092
    G01480734Courtesy of GENERAL MOTORS CORP.
  4. Determine the pinion position shim thickness and the pinion preload shim thickness for the drive pinion. Refer to Pinion Depth Adjustment (8.6 Inch, 9.5 Inch, 11.5 Inch Axles)  or Pinion Depth Adjustment (9.75 Inch Axle)  or Pinion Depth Adjustment (10.5 Inch Axle) .
  5. Install the differential assembly. Refer to Differential Replacement (8.6 Inch, 9.5 Inch Axles)  or Differential Replacement (9.75 Inch Axle)  or Differential Replacement (10.5 Inch, 11.5 Inch Axle) .
  6. Fill the axle with lubricant. Use the proper fluid. Refer to Lubricant Replacement - Rear Drive Axle (8.6 Inch Axle)  or Lubricant Replacement - Rear Drive Axle (9.5, 10.5, and 11.5 Inch Axles)  or Lubricant Replacement - Rear Drive Axle (9.75 Inch Axle) .
  7. Lower the vehicle.
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