Removal Procedure
WARNING: This page is about a different car, the 2003 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
- Recover the refrigerant. Refer to Refrigerant Recovery and Recharging .
- Remove the evaporator outlet hose nut from the TXV.
- Remove the evaporator outlet hose from the TXV.
- Install a protective cap to the evaporator outlet hose to prevent contamination and desiccant saturation.
- Remove the liquid line nut from the TXV.
- Remove the liquid line from the TXV.
- Install a protective cap to the liquid line to prevent contamination and desiccant saturation.
- Disconnect the refrigerant low temperature sensor from the engine harness.
- Remove the TXV bolts from the backing plate.
- Remove the TXV and the backing plate from the vehicle.
- Remove and discard the O-rings from the evaporator pipes. Refer to O-Ring Replacement .
- Install a protective cap to the evaporator pipes to prevent contamination and desiccant saturation.
IMPORTANT:
When removing the thermal expansion valve (TXV), keep dirt and foreign material from getting on or into the O-ring sealing surfaces. Clean tools and a clean work area are important for proper service. The TXV seal area should be cleaned before any repairs are performed. The parts must be kept clean at all times and any parts to be assembled should be cleaned with a non-petroleum based solvent and dried with air. Use only lint free cloths to wipe parts. Do not allow solvent to enter evaporator or hoses.