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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 >> Evaporator Tube Replacement >> Installation Procedure

Installation Procedure

  1. Install the new sealing washers. Refer to Sealing Washer Replacement .
  2. Install the evaporator tube (4) to the body retaining clip (3).
  3. Install the evaporator tube (4) to the evaporator.
    4. Fig 1: Evaporator Tube Nut & Evaporator
    GM798939Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice .
  4. Install the evaporator tube nut (1) to the evaporator.

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

  5. Install the evaporator tube (3) to the condenser (1).
    6. Fig 2: Evaporator Tube & Condenser
    GM798941Courtesy of GENERAL MOTORS CORP.
  6. Install the evaporator tube nut (2) to the condenser (1).

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

  7. Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging .
  8. Leak test the fittings of the components using the J 39400-A  .
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