GM Service Manual Online
For 1990-2009 cars only

Air Conditioning Evaporator Thermal Expansion Valve Replacement 1.6L LXV

Special Tools

GE 39400-A Halogen Leak Detector

For equivalent regional tools, refer to Special Tools

Removal Procedure

  1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging.
  2. Unclip brake pipes.

  3. Object Number: 2027307  Size: SH
  4. Remove condenser hose (1) from A/C evaporator TXV.
  5. Remove the 2 A/C TXV bolts (2).
  6. Remove the TXV (3).

Installation Procedure

    Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 2027307  Size: SH
  1. Install A/C TXV (3) and the 2 A/C TXV bolts (2) and tighten to 15 N·m (11 lb ft).
  2. Note: Use NEW O-ring seals. Refer to O-Ring Replacement.

  3. Install condenser hose (1) to A/C evaporator TXV (3). Refer to Air Conditioning Compressor and Condenser Hose Replacement.
  4. Install brake pipes.
  5. Evacuate and charge the refrigerant system. Refer to Refrigerant Recovery and Recharging.
  6. Leak test the fittings using the GE 39400-A detector .