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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 92 (Heating, Ventilation, And Air Conditioning) >> Repair Instructions >> Evaporator Tube Replacement - Auxiliary >> Removal Procedure

Removal Procedure

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  1. Recover the refrigerant from the system. Refer to Refrigerant Recovery and Recharging .
    2. Fig 1: View Of Auxiliary A/C Evaporator Tubes At Condenser Tube & Accumulator
    GM612568Courtesy of GENERAL MOTORS CORP.
  2. Remove the auxiliary A/C evaporator tubes (3) from the condenser tube (2) and the accumulator (5).
  3. Loosen the right front wheelhouse to gain access to the clamp behind the wheelhouse.
  4. Raise the vehicle. Refer to Lifting and Jacking the Vehicle .
  5. Remove the right assist step. Refer to Assist Step Replacement (Manual) or Assist Step Replacement (Z71 ) or Assist Step Replacement (Power) .
  6. Remove the front wheelhouse liner. Refer to Front Wheelhouse Liner Replacement .
  7. Remove the rear wheelhouse liner. Refer to Wheelhouse Liner Panel Replacement - Rear .
    8. Fig 2: View Of Auxiliary A/C Evaporator Tubes & Nut & Auxiliary HVAC Module
    GM691871Courtesy of GENERAL MOTORS CORP.
  8. Remove the retaining nut (2) and the auxiliary A/C evaporator tubes (3) from the auxiliary HVAC module.
    9. Fig 3: View Of Auxiliary Heater Pipes, Clamps & Heater/A/C Tubes Retaining Nut & Stud
    GM691870Courtesy of GENERAL MOTORS CORP.
  9. Remove the heater/A/C tubes retaining nut (4) from the stud (1) at the frame (6).
  10. Remove the auxiliary A/C evaporator tubes (3) from the clamps (5).
  11. Remove the auxiliary A/C evaporator tubes from the vehicle.
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