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Home >> Chevrolet >> 2002 >> Astro Van Passenger, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 802 (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 GMC Safari and 2003 Chevrolet Astro. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the evaporator core. Refer to EVAPORATOR CORE REPLACEMENT - AUXILIARY .
  2. Gently remove the sealer packed around the thermostatic expansion valve (TXV).

    Important:  Note the mounting location and the orientation of the capillary tube on the evaporator core.

  3. Remove the clip that retains the capillary tube to the evaporator core.
  4. Remove the nuts that retain the TXV to the evaporator core.
  5. Remove the TXV from the core.
    Fig 1: Removing Auxiliary Thermal Expansion Valve
    G01645681Courtesy of GENERAL MOTORS CORP.
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