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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Heating, Ventilation, And Air Conditioning >> Repair Instructions >> Sealing Washer Replacement >> Removal Procedure

Removal Procedure

    Fig 1: Identifying Good And Bad Sealing Washer Positions
    GM818438Courtesy of GENERAL MOTORS CORP.
  1. Remove the seal washer from the A/C refrigerant component.
    2. IMPORTANT: Cap or tape the open A/C refrigerant components immediately to prevent system contamination.
  2. Inspect the seal washer for signs of damage to help determine the root cause of the failure.
  3. Inspect the A/C refrigerant components for damage or burrs. Repair if necessary.
    4. IMPORTANT: DO NOT reuse sealing washer.
  4. Discard the sealing washer.
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