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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different car >> Section 3 (Engine Mechanical - 4.3L (LV1)) >> Repair Instructions - Off Vehicle >> Crankshaft Rear Oil Seal Housing Cleaning and Inspection

Crankshaft Rear Oil Seal Housing Cleaning and Inspection

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  1. GM2889920Courtesy of GENERAL MOTORS COMPANY
    NOTE:
    • Do not use the crankshaft rear oil seal again. Install a NEW crankshaft oil seal during assembly.
    • Do not use the rear housing-to-engine block gasket again. Install a NEW gasket during assembly.

    Ensure proper use of room temperature vulcanizing (RTV) sealant. Use of Room Temperature Vulcanizing (RTV) and Anaerobic Sealant 

  2. Clean the housing in solvent. Remove the sealant from the housing surface. Replacing Engine Gaskets 
    3. WARNING:

    Refer to Safety Glasses Warning .

  3. Dry the housing with compressed air.
  4. Inspect the gasket sealing surfaces (3) for excessive scratches or gouging.
  5. Inspect the housing-to-oil pan threaded bolt holes for damaged threads or debris.
  6. Inspect the crankshaft oil seal mounting bore for damage (1).
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