Installing Pressure Switch

WARNING: This page is about a different car, the 2010 Porsche Cayenne, 2009 Porsche Cayenne, and 2008 Porsche Cayenne. However, it is still accessible from the selected car via links, so may be relevant.

Replace the O-ring on the pressure switch and wet it with refrigerant oil.
Screw pressure switch onto refrigerant line and tighten with an open-ended wrench. Counter with a second open-ended wrench. → Tightening torque: 3.5 ftlb.

Fig 1: Screwing Pressure Switch Onto Refrigerant Line
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Push electrical plug onto pressure switch until it clicks into place.

Fig 2: Pushing Plug Onto Pressure Switch
Courtesy of PORSCHE CARS NORTH AMERICA, INC.