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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 >> Condenser Replacement >> Installation Procedure

Installation Procedure

    Fig 1: Condenser & Mounting Bolts
    GM798933Courtesy of GENERAL MOTORS CORP.
  1. Add the proper amount of PAG oil to the condenser. Refer to Refrigerant System Capacities .
  2. Install the condenser (3) to the vehicle.
    3. NOTE: Refer to Fastener Notice .
  3. Install the bolts (2) to the condenser (3).

    Tighten:  Tighten the bolts to 9 N.m (80 lb in).

  4. Install the new sealing washers. Refer to Sealing Washer Replacement .
    5. Fig 2: Evaporator Tube & Condenser
    GM798941Courtesy of GENERAL MOTORS CORP.
  5. Install the evaporator tube (3) to the condenser (1).
  6. Install the evaporator tube nut (2) to the condenser (1).

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

    7. Fig 3: Discharge Hose Nut & Condenser
    GM798938Courtesy of GENERAL MOTORS CORP.
  7. Install the compressor discharge hose (3) to the condenser (2).
  8. Install the compressor discharge hose nut (1) to the condenser (2).

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

  9. Install the transmission oil cooler. Refer to Transmission Fluid Auxiliary Cooler Replacement .
  10. Install the power steering cooler. Refer to Power Steering Fluid Cooler Replacement .
  11. Install the bolt and nut from the right hood spring.

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

  12. Install the bolt and nut from the left hood spring.

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

  13. Evacuate and recharge the system. Refer to Refrigerant Recovery and Recharging .
  14. Leak test the fittings of the component using the J 39400-A  .
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