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Home >> Chevrolet >> 2001 >> Venture Base, Van Passenger >> Repair and Diagnosis >> External Pages >> Different car >> Section 741 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> Thermal Expansion Valve Replacement - Auxiliary >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 Pontiac Montana, 2003 Oldsmobile Silhouette, and 2003 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.
  3. Remove the foam wrap from the auxiliary TXV.
  4. Remove the auxiliary TXV line clamp screws.
  5. Remove the auxiliary TXV line clamp from the HVAC module assembly.
    Fig 1: Removing Auxiliary TXV Line Clamp & Screws
    G01482710Courtesy 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.
    Fig 2: Removing A/C Lines From Auxiliary TXV
    G01482711Courtesy of GENERAL MOTORS CORP.
  8. Remove and discard the sealing washers.

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

  9. Cap or tape the A/C lines.
  10. Remove the auxiliary TXV to evaporator core bolts.
  11. Remove the auxiliary TXV from the evaporator core.
    Fig 3: Removing Auxiliary TXV To Evaporator Core
    G01482712Courtesy of GENERAL MOTORS CORP.
  12. Cap or tape off the evaporator core lines.
  13. Remove and discard the sealing washers.
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