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Home >> Chevrolet >> 2001 >> Venture Base, Van Passenger >> Repair and Diagnosis >> External Pages >> Different car >> Section 642 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> Accumulator Tube Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
  1. Recover the refrigerant from the A/C system. Refer to REFRIGERANT RECOVERY AND RECHARGING  .
  2. Remove the battery. Refer to BATTERY REPLACEMENT in Engine Electrical.
  3. Remove the battery heat shield. Refer to BATTERY HEAT SHIELD REPLACEMENT in Engine Electrical.
  4. Remove the intake manifold. Refer to INTAKE MANIFOLD REPLACEMENT in Engine Mechanical.
    Fig 1: Removing Heater Pipe Bracket Retaining Nut
    G01418563Courtesy of GENERAL MOTORS CORP.
  5. Remove the nut retaining the heater pipe bracket to the dash cowl.
  6. Reposition the heater pipe bracket to access the refrigerant lines.
  7. Remove the bolt which secures the front evaporator tube to the rear evaporator tube.

    Important:  Cap or tape the open A/C components immediately to prevent system contamination.

  8. Disconnect the evaporator tubes.
  9. Remove and discard the O-ring.
  10. Cap or tape the front and rear evaporator tubes.
    Fig 2: Disconnecting Evaporator Tubes
    G01418564Courtesy of GENERAL MOTORS CORP.
  11. Remove the bolt which secures the compressor hose to the accumulator.
  12. Disconnect the compressor hose from the accumulator to access the accumulator hose.
  13. Remove and discard the O-ring.
  14. Cap or tape the open compressor hose and the accumulator.
  15. Reposition the compressor hose end.
    Fig 3: Disconnecting Compressor Hose From Accumulator Hose
    G01418565Courtesy of GENERAL MOTORS CORP.
  16. Using a back-up wrench on the accumulator fitting (2). Loosen the accumulator hose fitting (1) from the accumulator.
    Fig 4: Loosening Accumulator Hose Fitting
    G01418566Courtesy of GENERAL MOTORS CORP.
  17. Disconnect the accumulator hose from the accumulator.
  18. Remove and discard the O-ring.
  19. Cap or tape the open accumulator hose and the accumulator.
    Fig 5: Removing O-Ring
    G01418567Courtesy of GENERAL MOTORS CORP.
  20. Remove the bolt that secures the accumulator hose to the evaporator.

    Important:  immediately to prevent contamination.

  21. Disconnect the accumulator hose from the evaporator.
  22. Discard the O-ring.
    Fig 6: Disconnecting Accumulator Hose From Evaporator
    G01418568Courtesy of GENERAL MOTORS CORP.
  23. Carefully remove the accumulator hose. Separate the hose from the rear evaporator tube.
  24. Remove and discard the O-ring.
  25. Cap or tape the open accumulator hose, the rear evaporator tube and the evaporator core.
Fig 7: Removing Accumulator Hose From Rear Evaporator Tube
G01418569Courtesy of GENERAL MOTORS CORP.
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