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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. Carefully slide a new manual shift shaft seal (1) over the manual shift shaft (2) with the wide face of the steel case facing outward. Position so that the seal is starting to enter the seal bore.
    Fig 1: Sliding New Selector Shaft Seal Over Selector Shaft
    GM659339Courtesy of GENERAL MOTORS CORP.
  2. Obtain J 43909  and remove the inner sleeve so that the tool will slide over the manual shift shaft.
  3. Slide the J 43909  into position so that the end of the tool contacts the seal being installed. Use a mallet to strike the J 43909  and drive the new seal into the seal bore until the seal is seated at the bottom of the bore.
  4. Install the PNP Switch. Refer to Park/Neutral Position Switch Replacement .
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