Expansion Valve: Service and Repair

REFRIGERANT LINES


Removal and Installation for Expansion Valve


REMOVAL
1. Evacuate and recover the A/C system refrigerant. HFC-134A (R-134A) Service Procedure.
2. Reposition the lower dash insulator out of the way.
3. Remove the cowl extension panel (QR25DE only). Service and Repair.
4. Disconnect the low-pressure flexible hose and the high-pressure pipe from the expansion valve.

CAUTION:
Cap or wrap the joint of the pipe and hose with suitable material such as vinyl tape to avoid the entry of contaminants.





5. Remove the expansion valve bolts (A) and then remove the expansion valve (1).

INSTALLATION
Installation is in the reverse order of removal.






CAUTION:
- Replace the O-rings with new ones, then apply compressor oil to them when installing them.