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Home >> Audi >> 2003 >> A8 Quattro >> Repair and Diagnosis (Single Page) >> Brakes >> Mechanical - Hydraulic >> Disc Brakes >> Adjustments >> Power Booster Push Rod

Power Booster Push Rod

Measure push rod length whenever power booster or master cylinder is replaced. Push rod length is measured from master cylinder mounting flange to center mounting hole in fork head. Measure distance "a". See Fig 1 . Adjust push rod length if not as specified. See POWER BOOSTER PUSH ROD LENGTH  table.

POWER BOOSTER PUSH ROD LENGTH

Application Specification - In. (mm)
A8 & S8 5.31 +/- 0.197 (135 +/- 5)
Fig 1: Measuring Power Brake Booster Push Rod Length
G00283704Courtesy of AUDI OF AMERICA, INC.