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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1448 (HVAC Systems - General Servicing) >> Repair Instructions >> Expansion (Orifice) Tube Replacement (Front Only System) >> Removal Procedure

Removal Procedure

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  1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging .
  2. Remove the accumulator. Refer to Accumulator Replacement .
  3. Remove the coolant reservoir. Refer to Coolant Recovery Reservoir Replacement in Engine Cooling.
    4. Fig 1: Locating Evaporator Tube Components
    GM735916Courtesy of GENERAL MOTORS CORP.
  4. Remove the evaporator tube nut (3) at the evaporator (1).
  5. Remove the evaporator tube (4) from the evaporator (1).
    6. Fig 2: Locating Evaporator Tube Components
    GM735915Courtesy of GENERAL MOTORS CORP.
  6. Remove the O-ring seal and discard.
  7. Remove the nut from the evaporator tube block fitting.
  8. Separate the evaporator tubes (4, 6) at the block fitting.
  9. Use the J 26549-E  in order to remove the expansion tube. See Special Tools and Equipment .
  10. Remove the expansion tube from the evaporator tube (6).
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