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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 >> Discharge Hose Replacement >> Installation Procedure

Installation Procedure

  1. Install the new sealing washers. Refer to Sealing Washer Replacement 
    2. Fig 1: Discharge Hose Nut & Condenser
    GM798938Courtesy of GENERAL MOTORS CORP.
  2. Install the discharge hose (3) to the vehicle.
  3. Install the discharge hose (3) to the condenser (2).
    4. NOTE: Refer to Fastener Notice .
  4. Install the nut (1) to the condenser (2).

    Tighten:  Tighten the nut to 16 N.m (12 lb ft).

    5. Fig 2: Discharge Hose & A/C Compressor
    GM798935Courtesy of GENERAL MOTORS CORP.
  5. Install the discharge hose (5) to the A/C compressor (4).
  6. Install the discharge hose bolt (6) to the A/C compressor (4).

    Tighten:  Tighten the bolt to 16 N.m (12 lb ft).

  7. Install the A/C recirculation switch to the discharge hose (5).
  8. Connect the electrical connector to the A/C recirculation switch.
  9. Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging .
  10. Leak test the fittings of the component using the J 39400-A  .
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