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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 427 (Engine Mechanical - 4.8L, 5.3L, & 6.0L (Unit Repair)) >> Repair Instructions >> Engine Front Cover Cleaning and Inspection

Engine Front Cover Cleaning and Inspection

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IMPORTANT: Do not reuse the crankshaft oil seal. Install a NEW crankshaft oil seal during assembly.

Do not reuse the front cover-to-engine block gasket. 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: Crankshaft Front Cover Oil Seal
    G01674812Courtesy of GENERAL MOTORS CORP.
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