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Installation Procedure

WARNING: This page is about a different car, the 2004 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Installing A New Differential Mount Bushing To The Rear Of The Frame
    GM809289Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: The differential mount bushings need to be installed without lubricant.
  1. Ensure the frame pilot hole and the differential mount bushing is free from lubricant or any foreign contaminants.
    2. IMPORTANT: The differential bushing is not fully seated in the bore and has voids that are in the horizontal position. Note and mark the position of the bushing prior to removal and press the new bushing into the same position.
  2. Install a new differential mount bushing to the rear of the frame.
    3. Fig 2: Pressing The Bushing Into The Frame
    GM827192Courtesy of GENERAL MOTORS CORP.
  3. Install J 9519-E  and J 21474-01  to the rear differential bushing. See Special Tools and Equipment .
  4. Using J 9519-E  and J 21474-01  press the bushing into the frame. See Special Tools and Equipment .
  5. Remove J 9519-E  and J 21474-01  from the bushing. See Special Tools and Equipment .
  6. Repeat the above steps for the additional bushing.
  7. Install the rear frame. Refer to Frame Replacement - Rear in Frame and Underbody.
  8. Install the rear differential assembly. Refer to Differential Replacement in Rear Drive Axle.
  9. Lower the vehicle.
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