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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 >> Accumulator Replacement >> Removal Procedure

Removal Procedure

  1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging .
  2. Disconnect the electrical connector from the A/C low pressure switch.
  3. Remove the compressor hose nut from the accumulator.
  4. Remove the compressor hose from the accumulator.
    5. Fig 1: Exploded View Of Accumulator Mounting
    GM660416Courtesy of GENERAL MOTORS CORP.
  5. Remove the nut (2) from the evaporator fitting.
  6. Remove the accumulator bracket nut (4) from the retaining stud.
  7. Remove the accumulator (3).
  8. Remove the retaining bracket bolt (5).
  9. Remove the retaining bracket (6) from the accumulator (3).
  10. Remove and discard the O-ring seals.
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