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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 >> Expansion (Orifice) Tube Replacement >> Removal Procedure

Removal Procedure

  1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging .
  2. Fig 1: Locating Evaporator Tube
    GM703266Courtesy of GENERAL MOTORS CORP.
  3. Loosen the nut from the evaporator tube fitting.
  4. Use the J 26549-E  in order to remove the orifice tube (1) from the evaporator tube (2).
  5. Cap or plug the open line.