Expansion Valve: Service and Repair

REMOVAL
1. Discharge the A/C system.
2. Remove the A/C evaporator core.
3. Disconnect the equalizer line from the A/C evaporator core outlet fitting.
4. Disconnect the A/C evaporator expansion valve at the A/C evaporator core outlet fitting and A/C evaporator case inlet fitting. Discard the O-ring at each fitting.
5. Remove the A/C evaporator expansion valve.

INSTALLATION
To install, reverse the removal procedure. Test the system for proper operation.

Tighten the liquid line at the A/C evaporator core inlet fitting to 10-19 N.m (87-174 lb-in).

Tighten the evaporator to compressor suction line fitting to 20-29 N.m (15-21 lb. ft).

NOTE: Apply clean refrigerant oil to the new O-rings prior to installation.