2000 A6 2.7T brake squeal

Mark R speedracer.mark at gmail.com
Sun Apr 20 06:11:41 PDT 2008

The squeal is the pads vibrating on the backing plates.  You need a
lubricant.  The sticky glue type of products don't work well.  Use the same
type of product you lubricate slider pins with.  Permatex makes a product
called ultra disk brake caliper lubricant.  I personally use the 3M Brake

Lubricate any place where a pad comes in contact with a carrier or caliper
(but obviously not the friction face).

Guaranteed fix.

Mark Rosenkrantz

On Sat, Apr 19, 2008 at 10:07 PM, <kf21857 at comcast.net> wrote:

> I have taken the pads out twice and sanded them to remove the glaze.  Once
> they warm up after a couple of miles and a few stops, the squeal comes right
> back.  Because of the locating pins, there is only one way the pads will go
> into the calipers so no question of things being assembled correctly.  I
> even tightened up the metal fingers that hold the pads in place, thinking
> that maybe one of the pads was chattering.  I did notice that the Bentley
> refers to removing protective foil from the backing plates and that the old
> pads seem to have the remains of some kind of black goop that apparently
> stuck them to the pistons.  The new pads didn't have this.  Could this be my
> problem?  Has anybody else encountered this?  I have done quite a few brake
> jobs on various Audis over the years and I am not a novice at this but this
> has me baffled.  Should I just bag it and try a different set of pads?
> thanks,
> Dave

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