Vacuum Line
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2004 Porsche Boxster, 2003 Porsche Boxster, 2002 Porsche Boxster, 2001 Porsche Boxster, and 2000 Porsche Boxster. However, it is still accessible from the selected car via links, so may be relevant.
In order to undo the vacuum line, press the black unlocking ring (arrow) and simultaneously pull the lines apart. See Fig 1 .
Join the connection by plugging together in a straight line. Then pull the connection slightly to check whether it was locked properly.