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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 >> 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 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. Remove the evaporator outlet tube to TXV nut.
  6. Disconnect the evaporator outlet and inlet tubes from the TXV.
    Fig 1: Removing Evaporator Outlet Tube To TXV Nut
    G01482450Courtesy of GENERAL MOTORS CORP.
  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. Remove the TXV to evaporator bolts.
  11. Remove the TXV from the evaporator core.
  12. Remove the discard the sealing washers.
    Fig 2: Removing TXV From Evaporator Core & Bolts
    G01482451Courtesy of GENERAL MOTORS CORP.
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