Spark

Air Conditioning Evaporator Thermal Expansion Valve Replacement

Special Tools

GE-39400-A Halogen Leak Detector

For equivalent regional tools, refer to Special Tools .

1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging .
2. Remove the radiator surge tank screws. Refer to Radiator Surge Tank Replacement .
3. Remove the A/C evaporator hose assembly mounting bracket nut from the wheelhouse panel side. Refer to Air Conditioning Evaporator Hose Assembly Replacement .



4. Disconnect the A/C evaporator hose (1) from A/C evaporator TXV. Refer to Air Conditioning Evaporator Hose Assembly Replacement .
5. Remove the 2 A/C TXV bolts (2).
6. Remove the TXV (3).

Caution: Refer to Fastener Caution in the Preface section.





Note: Use NEW O-ring seals. Refer to Air Conditioning O-Ring Seal Replacement .

1. Install A/C TXV (3) and the 2 A/C TXV bolts (2) and tighten to 3.5 N·m (31 lb in).
2. Connect the air conditioning evaporator hose (1) to A/C evaporator TXV (3). Refer to Air Conditioning Evaporator Hose Assembly Replacement .
3. Install the A/C evaporator hose assembly mounting bracket nut from the wheelhouse panel side. Refer to Air Conditioning Evaporator Hose Assembly Replacement .
4. Install the radiator surge tank screws. Refer to Radiator Surge Tank Replacement .
5. Evacuate and charge the refrigerant system. Refer to Refrigerant Recovery and Recharging .
6. Leak test the fittings using the GE-39400-A detector.