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Home >> Chevrolet >> 2001 >> Venture Base, Van Passenger >> Repair and Diagnosis >> External Pages >> Different car >> Section 841 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> Evaporator Tube Replacement - Rear >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2004 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.
    5. Fig 1: Heater Pipe Bracket & Cowl
    GM621749Courtesy of GENERAL MOTORS CORP.
  5. Remove the nut retaining the heater pipe bracket to the cowl.
  6. Reposition the heater pipe bracket to access the refrigerant lines.
    7. Fig 2: Rear Evaporator Tube & Bolt
    GM621746Courtesy of GENERAL MOTORS CORP.
  7. Remove the bolt which secures the front evaporator tube to the rear evaporator tube.
    8. IMPORTANT: Cap or tape the open A/C components immediately to prevent system contamination.
  8. Disconnect the front and rear evaporator tubes.
  9. Remove and discard the O-ring.
  10. Cap or tape the front and rear evaporator tubes.
    11. Fig 3: Accumulator Hose, Evaporator & Bolt
    GM621748Courtesy of GENERAL MOTORS CORP.
  11. Loosen the accumulator hose to evaporator retaining bolt.
  12. Disconnect the rear evaporator tube from the accumulator hose bracket at the evaporator.
  13. Remove and discard O-ring.
  14. Cap or tape the open rear evaporator tube and the evaporator.
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