Expansion Valve: Service and Repair

Air Conditioning Evaporator Thermal Expansion Valve Replacement

Removal Procedure





1. Remove the retaining nuts that secure the suction hose and the liquid evaporator pipe blocks at the cowl.





2. Remove the expansion valve bolts.

3. Remove the expansion valve.

4. Remove the O-rings from the evaporator lines.

Installation Procedure





1. Clean the O-ring surface areas of dirt or contamination.

2. Install the new O-rings on the evaporator lines.

3. Install a new expansion valve onto the evaporator lines.

Notice:
Refer to Fastener Notice Fastener Notice in Cautions and Notices.

4. Insert the expansion valve bolts through the expansion valve into the mount surface of the evaporator flange.

Tighten the expansion valve bolts to 10 Nm (89 lb in).





5. Install the retaining nuts that secure the suction hose and the liquid evaporator pipe blocks at the cowl.

Tighten the suction hose and the liquid evaporator pipe retaining nuts to 10 Nm (89 lb in).