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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1149 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> Evaporator Tube Replacement - Rear >> 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.
  5. Remove the nut retaining the heater pipe bracket to the cowl.
    Fig 1: Removing Heater Pipe Bracket Retaining Nut From Cowl
    G01418556Courtesy of GENERAL MOTORS CORP.
  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 front and rear evaporator tubes.
    9. Fig 2: Disconnecting Front And Rear Evaporator Tubes
    G01418557Courtesy of GENERAL MOTORS CORP.
  9. Remove and discard the O-ring.
  10. Cap or tape the front and rear evaporator tubes.
  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.
Fig 3: Removing Accumulator Hose
G01418558Courtesy of GENERAL MOTORS CORP.
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