Pre-Bleed Brake Caliper

-- Open bleeder screw -arrow A- and using a standard bleeder bottle, fill with brake fluid until bubble-free brake fluid flows from the threaded hole (brake hose connection) -arrow B-. Close bleeder valve.

Fig 1: Identifying Bleed Valve, Standard Bleeder Bottle & Threaded Hole

Courtesy of AUDI OF AMERICA, LLC

NOTE:

Position brake caliper as shown during pre-bleed procedure.