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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1625 (Engine Mechanical - 4.3L) >> Repair Instructions - On Vehicle >> Crankshaft Rear Oil Seal Housing Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2010 GMC Sierra and 2010 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Locating Crankshaft Rear Oil Seal Housing Gasket
    GM524322Courtesy of GENERAL MOTORS CORP.
    NOTE: When installing a NEW housing the seal will come with the housing. If reusing the housing and then installing a NEW seal follow the instructions for installing the housing and than refer to Crankshaft Rear Oil Seal Replacement  to install the seal.
  1. Install a NEW housing gasket.
  2. Fig 2: Crankshaft Rear Oil Seal Housing
    GM1877081Courtesy of GENERAL MOTORS CORP.
  3. Install the NEW housing with the seal using the following procedure.
      NOTE: Do not oil or grease the seal lip or the crankshaft seal area.
    1. Leave the sleeve in the seal and use the sleeve as a guide to ease installing the seal lip over the end of the crankshaft.
    2. Push the housing fully onto the crankshaft until the housing is against the seal gasket and the engine.
    3. Remove the sleeve.
  4. CAUTION: Refer to Fastener Caution .
  5. Install the crankshaft rear oil seal housing bolts and nut and tighten to 12 N.m (106 lb in).
  6. Install the engine flywheel. Refer to Engine Flywheel Replacement .
  7. Install the oil pan. Refer to Oil Pan Replacement .