Installing Expansion Valve

→ Avoid contact with refrigerant.

→ Wear personal protective gear.

→ Observe the safety regulations for working on air-conditioned vehicles and dealing with refrigerant.

→ Observe the safety regulations for extraction and filling systems.

→ Observe the instructions for repairing air conditioning systems and storing spare parts.

Information 

• Before the expansion valve is re-installed, the O-rings of the refrigerant lines must be checked for damage and replaced if necessary. 
• Wet the O-rings of the refrigerant lines with refrigerant oil. 

1. Check seals -1-  on the refrigerant adapter -2-  for damage and replace them if necessary.
   Fig 1: Identifying Refrigerant Lines Seals

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.
2. Screw in expansion valve.

   Carefully fit the expansion valve -2-  on the refrigerant adapter -arrow-  .

   Tighten fastening screws -1-  to the prescribed tightening torque until secure Tightening torque 5.5 Nm (4 ftlb.)  .

   Fig 2: Installing Expansion Valve

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.