Anti-Lock Brake System (Abs) Control Unit: Notes
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 1989 Audi 90, 1989 Audi 80, 1989 Audi 200, 1989 Audi 100, and 1988 Audi 90. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Turn ignition to "OFF" position. Depress brake pedal at least 20 times to release brake system pressure before removing hydraulic components.