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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1613 (Automatic Transmission - ALLISON - Repair Instructions - On Vehicle) >> Repair Instructions - On Vehicle >> Manual Shift Shaft Seal Replacement >> Installation Procedure

Installation 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.
    Fig 1: Sliding New Selector Shaft Seal Over Selector Shaft
    GM659339Courtesy of GENERAL MOTORS CORP.
  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.
  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.