LEMON Manuals: Even more car manuals for everyone
Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1667 (Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L - Repair Instructions - On Vehicle) >> Crankshaft Front Oil Seal Replacement (With LY6) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2010 GMC 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.
NOTE:
  • Do not lubricate the oil seal sealing surface.
  • Do not reuse the crankshaft front oil seal.
    Fig 1: Identifying Oil Seal
    GM1658279Courtesy of GENERAL MOTORS CORP.
  1. Lubricate the outer edge of the oil seal (140) with clean engine oil.
  2. Lubricate the front cover oil seal bore with clean engine oil.
    3. Fig 2: View Of Front Oil Seal & Special Tool
    GM1658280Courtesy of GENERAL MOTORS CORP.
  3. Install the crankshaft front oil seal (140) onto the J 41478  guide. See Special Tools .
  4. Install the J 41478  threaded rod (with nut, washer, guide, and oil seal) into the end of the crankshaft. See Special Tools .
  5. Use the J 41478  in order to install the oil seal into the cover bore. See Special Tools .
    1. Use a wrench and hold the hex on the installer bolt.
    2. Use a second wrench and rotate the installer nut clockwise until the seal bottoms in the cover bore.
    3. Remove the J 41478  . See Special Tools .
    4. Inspect the oil seal for proper installation. The oil seal should be installed evenly and completely into the front cover bore.
  6. Install the crankshaft balancer. Refer to Crankshaft Balancer Replacement .
scientia non olet · About LEMON Manuals