Removing Pressure Switch

Information 

• The pressure switch is located in the radiator tank in the direction of travel under the cowl panel cover. 
  Fig 1: Overview Of Pressure Switch

  Courtesy of PORSCHE CARS NORTH AMERICA, INC.

→ 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.

1. Drain refrigerant. → Draining And Filling In Refrigerant 
2. Press release on electrical connector -a-  and disconnect from pressure switch.
   Fig 2: Tightening Pressure Switch Plug

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.
3. Place one open-ended wrench on the hexagon of the pressure switch and a second open-ended wrench on the hexagon of the refrigerant line.
   Fig 3: Releasing Pressure Switch

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.
4. Unscrew pressure switch from refrigerant line in direction of arrow and remove.