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Home >> Chevrolet >> 2001 >> Venture Base, Van Passenger >> Repair and Diagnosis >> External Pages >> Different car >> Section 476 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> Thermal Expansion Valve Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2003 Pontiac Aztek and 2003 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the cap or tape from the evaporator core.
  2. Install the new sealing washers onto the evaporator core. Refer to SEALING WASHER REPLACEMENT  .
  3. Install the TXV to the evaporator core.
  4. Install the TXV to evaporator bolts.

    Tighten 

    Tighten the bolts to 3.2 N.m (28 lb in).

    Fig 1: Installing Bolts
    G01498874Courtesy of GENERAL MOTORS CORP.
  5. Remove the cap or tape from the A/C refrigerant tubes.
  6. Install the sealing washers onto the A/C refrigerant tubes. Refer to SEALING WASHER REPLACEMENT  .
  7. Install the evaporator inlet tube to the evaporator outlet tube.
  8. Install the evaporator outlet and inlet tubes to the TXV.
  9. Install the evaporator outlet tube nut.

    Tighten 

    Tighten the nut to 16 N.m (12 lb ft).

  10. Connect the vacuum hose to the brake booster.
  11. Reposition the heater hoses.
  12. Evacuate and recharge the A/C system. Refer to REFRIGERANT RECOVERY AND RECHARGING  .
  13. Leak test the fittings of the component using J 39400-A. 
    Fig 2: Removing Cap Or Tape From A/C Refrigerant Tubes
    G01498875Courtesy of GENERAL MOTORS CORP.
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