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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 447 (Heating, Ventilation, And Air Conditioning) >> Repair Instructions >> Air Conditioning Cycling Switch Replacement (Non-HP2) >> Installation Procedure

Installation Procedure

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  1. Install the new O-ring seal to the switch. Refer to Air Conditioning O-Ring Seal Replacement .
  2. Fig 1: A/C Low Pressure Switch
    GM660417Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Fastener Caution .

  3. Install the A/C low pressure switch to the accumulator and tighten to 6 (53 lb in).
  4. Connect the electrical connector to the A/C low pressure switch.
  5. Leak test the fittings of the components using the J-39400-A  halogen leak detector.