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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1482 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> O-Ring Replacement >> Removal Procedure

Removal Procedure

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  1. Disassemble the A/C refrigerant components.

    Refer to the appropriate repair procedure

    • For compression style fittings use a back up wrench on the fitting (2) and loosen the fitting nut (1).
    • For banjo style fittings remove the bolt retaining the banjo type fitting.
  2. Remove the O-ring seal from the A/C refrigerant component.
  3. Inspect the O-ring seal for signs of damage to help determine the root cause of the failure.
  4. Inspect the A/C refrigerant components for damage or burrs. Repair if necessary.
    IMPORTANT: Cap or tape the open A/C refrigerant components immediately to prevent system contamination.
    Fig 1: Identifying Compression Style Fittings
    G01596546Courtesy of GENERAL MOTORS CORP.
  5. Cap or tape the A/C refrigerant components.
  6. Discard the O-ring seal.
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