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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1546 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> O-Ring Replacement >> Installation Procedure

Installation Procedure

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  1. Inspect the new O-ring seal for any sign or cracks, cuts, or damage. Replace if necessary.
  2. Using a lint-free clean, dry cloth, carefully clean the sealing surfaces of the A/C refrigerant components.
    3. IMPORTANT: DO NOT allow any of the mineral base 525 viscosity refrigerant oil on the new O-ring seal to enter the refrigerant system.
  3. Lightly coat the new O-ring seal with mineral base 525 viscosity refrigerant oil.
    4. IMPORTANT: DO NOT reuse O-ring seals.
  4. Carefully slide the new O-ring seal onto the A/C refrigerant component.
    5. Fig 1: Identifying Proper Seating Of A/C Refrigerant O-Ring
    GM662315Courtesy of GENERAL MOTORS CORP.
  5. The O-ring seal must be fully seated.
  6. Assemble the A/C components.

    Refer to the appropriate repair procedure.

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