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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 Evaporator Tube Replacement (Non-HP2) >> Installation Procedure

Installation Procedure

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  1. Connect the evaporator tube to the condenser using new sealing washers. Refer to Air Conditioning System Seal Replacement .
    2. Fig 1: Evaporator Tube At Condenser
    GM363033Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Fastener Caution .

  2. Install the evaporator tube nut to the condenser and tighten to 16 (12 lb ft).
  3. Connect the evaporator tube to the auxiliary A/C tube using new sealing washers, if equipped. Refer to Air Conditioning System Seal Replacement .
  4. Install the evaporator tube nut to the auxiliary A/C tube, if equipped, and tighten to 16 (12 lb ft).
  5. Install the evaporator tube to the evaporator.
    6. Fig 2: Evaporator Tube At Evaporator
    GM385463Courtesy of GENERAL MOTORS COMPANY
  6. Install the evaporator tube nut to the evaporator and tighten to 16 (12 lb ft).
  7. Install the surge tank hold down nut and bolt and position aside.
  8. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement .
  9. Install the upper radiator air baffle and deflector. Refer to Radiator Air Upper Baffle and Deflector Replacement (Yukon) , Radiator Air Upper Baffle and Deflector Replacement (Cadillac) .
  10. Evacuate and recharge the system. Refer to Refrigerant Recovery and Recharging (Non-HP2) , Refrigerant Recovery and Recharging (HP2) .
  11. Leak test the fittings of the components using the J-39400-A  halogen leak detector.
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