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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 (TXV) Replacement >> 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 from the A/C system. Refer to Refrigerant Recovery and Recharging .
  2. Remove the left wiper arm linkage nuts.

    Reposition the left wiper arm linkage for access.

  3. Reposition the heater hoses for clearance.
  4. Disconnect the vacuum hose from the brake booster and reposition.
    5. Fig 1: Evaporator Outlet Tube Nut At TXV
    G01827881Courtesy of GENERAL MOTORS CORP.
  5. Remove the evaporator outlet tube to TXV nut.
  6. Disconnect the evaporator outlet and inlet tubes from the TXV.
  7. Disconnect the evaporator outlet tube from the evaporator tube line.
  8. Remove and discard the sealing washers.

    Important:  Cap or tape the open evaporator inlet and outlet tubes immediately to prevent contamination of the refrigerant system.

  9. Cap off the evaporator inlet and outlet tubes.
    10. Fig 2: Thermal Expansion Valve
    G01827882Courtesy of GENERAL MOTORS CORP.
  10. Remove the TXV to evaporator bolts.
  11. Remove the TXV from the evaporator core.
  12. Remove and discard the sealing washers.
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