Brakes problems
More specific problems:
Related problems:
What is brake fluid and which one should you use for your A4 allroad?
See owner's manual
Top problems
Knocking when breaking 
Solved
Audi A4 allroad 2009 Estate A4 AVANT S line 104000 miles
Knocking sound from brake pedal when braking
CommentRuiso el el ABS
Audi A4 allroad 1999 2500 miles
Tiene un sonido en el Modulo ABS como de un tensor que se afloja se escucha y se siente en el pie al frenar
Problems with a A4 allroad? Share them
(Bush on suspension worn )
Could this be the knocking can hear and feel through brake pedal ?