Cayenne (9PA) V6-3.2L (2006)
3. Undo two fastening screws for refrigerant lines on expansion valve.
4. Pull out the refrigerant lines from the expansion valve.
5. Unscrew the fastening nuts to the fastening clamps of both refrigerant lines.
6. Unscrew fastening screws of both refrigerant lines and pull out the refrigerant line.