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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 148 (Engine Mechanical - 4.8L, 5.3L & 6.0L) >> Repair Instructions >> Off-Vehicle Repair Instructions >> Engine Rear Cover Cleaning and Inspection

Engine Rear Cover Cleaning and Inspection

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Important: 

  1. Remove the crankshaft oil seal (1) from the rear cover.
  2. Clean the cover in solvent. Remove the sealant from the cover oil pan surface. Refer to Replacing Engine Gaskets .
    WARNING: Wear safety glasses in order to avoid eye damage.
  3. Dry the cover with compressed air.
  4. Inspect the gasket sealing surfaces for excessive scratches or gouging.
  5. Inspect the cover-to-oil pan threaded bolt holes for damaged threads or debris.
  6. Inspect the crankshaft oil seal mounting bore for damage.
    Fig 1: Removing Crankshaft Oil Seal
    G02078912Courtesy of GENERAL MOTORS CORP.