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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1496 (Engine Mechanical - 5.3L) >> Repair Instructions >> Off-Vehicle Repair Instructions >> Engine Front Cover Cleaning and Inspection

Engine Front Cover Cleaning and Inspection

WARNING: This page is about a different car, the 2003 GMC Envoy XL and 2003 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT:
  • Do not use the crankshaft oil seal again. Install a NEW crankshaft oil seal during assembly.
  • Do not use the front cover-to-engine block gasket again. Install a NEW gasket during assembly.
  1. Remove the crankshaft oil seal (1) from the front cover.
  2. Clean the cover in solvent. Remove the sealant from the cover oil pan surface. Refer to REPLACING ENGINE GASKETS   .
    CAUTION: Refer to SAFETY GLASSES CAUTION in Cautions and Notices.
  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 From Front Cover
    G02129542Courtesy of GENERAL MOTORS CORP.
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