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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical - 4.3L (Unit Repair) >> Repair Instructions >> Oil Pan Cleaning and Inspection

Oil Pan Cleaning and Inspection

  1. Remove the oil pan baffle bolts and the oil pan baffle.
    Fig 1: Oil Pan Baffle & Bolts
    G01660474Courtesy of GENERAL MOTORS CORP.
    CAUTION: Refer to SAFETY GLASSES CAUTION in Cautions and Notices.
  2. Clean the oil pan and oil pan baffle in cleaning solvent.
  3. Dry the oil pan and oil pan baffle with compressed air.
  4. Inspect the oil pan for the following:
    • Gouges or damage to the oil pan sealing surfaces (1)
    • Damage to the threaded holes (2)
    • Damaged oil pan drain hole threads (3)
    • Damage to the oil pan baffle
    • Damage to the exterior of the oil pan

      A damaged oil pan may interfere with the proper position of the oil pump screen, or may not distribute oil properly in the oil pan sump area.

    Fig 2: Oil Pan Inspection Areas
    G01660475Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  5. Install the oil pan baffle and the bolts.

    Tighten 

    Tighten the oil pan baffle bolts to 12 N.m (106 lb in).

    Fig 3: Oil Pan Baffle & Bolts
    G01660476Courtesy of GENERAL MOTORS CORP.
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