Strange Brakepad Wear

Mark R speedracer.mark at
Sat Sep 1 20:38:13 EDT 2007

Likely caliper hanging (guide pins, e-brake, etc.) or not enough runout
(unlikely).  .000" total runout isn't enough to knock back pads and
calipers... but that's unlikely.

R&R the rear brakes properly should indentify and solve the problem.

Mark Rosenkrantz

On 9/1/07, Dan DiBiase <d_dibiase at> wrote:
> So the brakes on the A4 starting making as funny noise (to quote my wife)
> on Wednesday last. I drove the car, heard a bit of a noise that sounded like
> worn brakes, and checked the fronts, which looked fine. At the 45k mile
> service, 4k miles ago, the brakes were reported as about 65% worn in front
> and the same in the rear. But the noise came and went.... So Friday
> afternoon, with it making the noise constantly, I took it to the local shop.
> The right rear brake had just about completely worn the pad and was starting
> to work on the metal. All of the other pads were fine and still had,
> according to the shop, about 4 - 5k miles left (I had them all changed out).
> What would cause such bizarre wear on a rear brake? We don't carry a lot
> of passengers, in fact, typically there is only one person in the car.
> Dan D
> '04 A4 1.8Tq MT-6
> Central NJ USA
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