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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1063 (Engine Mechanical - 4.3L) >> Repair Instructions - On Vehicle >> Crankshaft Front Oil Seal Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2008 GMC Sierra and 2008 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Installing Front Seal
    GM1877875Courtesy of GENERAL MOTORS CORP.
  1. Lubricate the exterior of the NEW seal with clean engine oil.
  2. Using J 35468  and a hammer, install the crankshaft front oil seal. See Special Tools .
  3. Ensure the crankshaft front oil seal is flush and square to the engine front cover.
  4. Install the crankshaft balancer. Refer to Crankshaft Balancer Replacement .
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