Continued for all vehicles:

WARNING: This page does not describe the selected car, but rather 15 other vehicles, including the 2008 Audi S4, 2008 Audi RS 4, 2008 Audi A4, 2007 Audi S4, and 2007 Audi RS 4. However, it is still accessible from the selected car via links, so may be relevant.

Remove caps from the bleeder screws.
Connect extractor bleeder hose - 1 - to front left bleeder screw, open bleeder screw and allow about 200 ml to flow out. Close bleeder screw.

Repeat work sequence on other side of vehicle at front.

Connect extractor bleeder hose - 1 - to rear left bleeder screw, open bleeder screw and allow about 200 ml to flow out. Close bleeder screw.

Repeat work sequence on other side of vehicle at rear.