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Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Heating, Ventilation, And Air Conditioning >> Repair Instructions >> Air Conditioning System Seal Replacement >> Installation Procedure

Installation Procedure

    NOTE:

    Flat washer type seals do not require lubrication.

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

    Do not use a damaged sealing washer.

  2. Remove the cap or tape from the A/C refrigerant components.
    3. Fig 1: Identifying Proper Seating Of A/C Refrigerant O-Ring
    GM662315Courtesy of GENERAL MOTORS COMPANY
  3. Using a lint-free clean, dry cloth, clean the sealing surfaces of the A/C refrigerant components.
  4. Carefully install the NEW sealing washer (1) onto the A/C refrigerant component.

    The sealing washer (1) must completely bottom against the surface of the fitting.

    5. NOTE:

    After tightening the A/C components, there should be a slight sealing gap of approximately 1.2mm (3/64in) 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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