Suction Line, Removing And Installing: Notes
WARNING: This page does not describe the selected car, but rather 16 other vehicles, including the 2016 Audi S4, 2016 Audi A4 Quattro, 2016 Audi A4, 2015 Audi S4, and 2015 Audi A4 Quattro. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
A suction line is only installed in AWD vehicles A5 through MY 2011 and the A4 through MY 2012.