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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 18 (Automatic Transmission - 4L60-E/4L65-E/4L70-E - Introduction (2 Of 2)) >> Repair Instructions >> Manual Shift Shaft Seal Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
  1. Carefully slide a new selector shaft seal (1) over the selector shaft (2) with the wide face of the steel case facing outward. Position the seal so that it 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 selector shaft. See Special Tools .
  3. Slide the J 43909  into position so that the end of the tool contacts the seal being installed. See Special Tools . Use a mallet to strike the J 43909  and drive the new seal into the bore until it is seated at the bottom of the bore. See Special Tools .
  4. Install the PNP switch. Refer to Park/Neutral Position Switch Replacement .
  5. Fill the transmission to the proper level with DEXRON® III transmission fluid. Refer to Transmission Fluid Checking Procedure .
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