Expansion Valve: Service and Repair

EVAPORATOR CORE AND/OR EXPANSION VALVE






REMOVAL
Preparation:
-Battery ground cable
-Discharge and recover refrigerant

1. Evaporator assembly (Refer to Evaporator Case )
2. Clip
3. Attaching screw
4. Uppercase
5. Lower case




- Slit the case parting face with a knife since the lining is separated when removing the evaporator.




- Lift to remove the upper case.




6. Evaporator core
7. Expansion valve
- Tear off the insulator carefully.
- Remove the sensor fixing clip.
- Use a back-up wrench when disconnecting all refrigerant pipes.

INSTALLATION
To install, follow the removal steps in the reverse order, noting the following points:

1. O-rings cannot be reused. Always replace with new ones.
2. Be sure to apply new compressor oil to the O-rings when connecting lines.
3. Be sure to install the sensor and the insulator in their previous positions.
4. To install a new evaporator core, add 50 cc (1.7 ft.oz.) of new compressor oil to a new core.
5. Tighten the refrigerant lines to the specified torque.
6. Apply an adhesive to parting face of lining when assembly evaporator assembly.