Plug-in couplings up to model year 2008

Plug-in coupling is loosened by screwing it apart. (Remove circlip -D-  /turn at the threaded joint -A-  and counter at the hexagon on the plug-in coupling -B-  at the same time).

Fig 1: Loosening Plug-In Coupling

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Lines are joined by plugging them together.

The plug-in coupling must first be screwed together (with the retaining collar).

New plug-in couplings are already screwed together.

Fig 2: Connecting Line

Courtesy of PORSCHE CARS NORTH AMERICA, INC.