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Installation Procedure

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.
  1. Lubricate the new o-ring seal.
  2. If necessary, install the new o-ring seal onto the thrust bearing support.
  3. Place J 45798 over the stub shaft. This will aid in assembly of the new thrust bearing support.
    Fig 1: Using J 45798 To Install New Thrust Bearing Support
    GM1501443Courtesy of GENERAL MOTORS CORP.
    4. IMPORTANT: This thrust bearing support is preloaded onto the stub shaft. It will require a large effort to push on. Do not tap thrust bearing support into place with hammer or other object.
  4. Press the thrust bearing support onto the stub shaft and into the gear housing. Remove J 45798 from the stub shaft.
  5. Connect the adjuster nut assembly to the steering gear housing using J 42882  .
    Fig 2: View Of Adjuster Nut Assembly, Steering Gear Housing & J 42882
    GM322012Courtesy of GENERAL MOTORS CORP.
  6. Adjust the thrust bearing support preload. Refer to Worm Thrust Bearing Preload Adjustment - Off Vehicle .
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