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Home >> Chevrolet >> 2001 >> Venture Base, Van Passenger >> Repair and Diagnosis >> External Pages >> Different car >> Section 909 (Heating, Ventilation & Air Conditioning) >> Repair Instructions >> Thermal Expansion Valve Replacement - Auxiliary >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2002 Pontiac Montana, 2002 Oldsmobile Silhouette, and 2002 Chevrolet Venture. However, it is still accessible from the selected car via links, so may be relevant.
  1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging .
  2. Remove the left lower quarter trim panel. Refer to TRIM PANEL REPLACEMENT - REAR QUARTER LOWER .
  3. Remove the foam wrap from the auxiliary TXV.
    4. Fig 1: Auxiliary TXV Line Clamp
    G01828102Courtesy of GENERAL MOTORS CORP.
  4. Remove the auxiliary TXV line clamp screws.
  5. Remove the auxiliary TXV line clamp from the HVAC module assembly.
    6. Fig 2: Auxiliary TXV Line Block Fitting
    G01828103Courtesy of GENERAL MOTORS CORP.
  6. Remove the bolt from the auxiliary TXV line block fitting.
  7. Remove the A/C lines from the auxiliary TXV.

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

  8. Cap or tape the A/C lines.
    9. Fig 3: Auxiliary TXV To Evaporator Core
    G01828104Courtesy of GENERAL MOTORS CORP.
  9. Remove the auxiliary TXV to evaporator core bolts.
  10. Remove the auxiliary TXV from the evaporator core.
  11. Cap or tape off the evaporator core lines.
  12. Remove and discard the sealing washers.
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