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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Heating, Ventilation And Air Conditioning >> Repair Instructions >> Sealing Washer Replacement >> Installation Procedure

Installation Procedure

Important:  Flat washer type seals do not require lubrication.

  1. Inspect the new seal washer for any signs of cracks, cuts, or damage.

    Do not use a damaged seal washer.

  2. Remove the cap or tape from the A/C refrigerant components.
  3. Using a lint-free clean, dry cloth, clean the sealing surfaces of the A/C refrigerant components.
  4. Carefully install the new seal washer onto the A/C refrigerant component.
    Fig 1: View Of Sealing Washer
    G01645549Courtesy of GENERAL MOTORS CORP.

    The washer must completely bottom against the surface of the fitting.

    Important:  After tightening the A/C components, there should be a slight sealing washer gap of approximately 1.2 mm (3/64 in) between the A/C line and the A/C component.

  5. Assemble the remaining A/C refrigerant components. Refer to the appropriate repair procedure.
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