[T3] knocking sound at a hard stop-front of car

[John L. Morgan IV]

This is a daily driver.  Car hasnt been sitting.
No problem in the back with drums...the problem comes from the front where
the discs are.

On Thu, Sep 1, 2011 at 8:55 AM, Jim Adney <jadney at vwtype3.org> wrote:

> On 31 Aug 2011 at 22:05, John L. Morgan IV wrote:
>
> > IT isnt a single clonk, but yet, it has a cadence to it, only when
> applying
> > brakes.
> > The speed slows as the car slows to a stop.
>
> If it's a clonk-clonk-clonk, then I'd suspect a rust spot that the
> pads are hitting once per revolution. It's common for the disks to
> rust under the pad if the car is parked for a long time. This leaves
> a pad-shaped rust spot on the disk that gets hit when you apply the
> brakes.
>
> If the rust spot is light, it will wear off. If it's deep, you may
> have to turn or replace the rotor to fix it. It's odd, but rust on a
> disk turns out to be more rugged than pad material. If it's bad, it
> will quickly wear away the pad rather than being worn away itself.
>
> Was the car parked for a long time (months or years) before this
> happened?
>
> --
> *******************************
> Jim Adney, jadney at vwtype3.org
> Madison, Wisconsin, USA
> *******************************
>
> _______________________________________________
> VWType3.Org mailing list - type3 at vwtype3.org
> http://lists.vwtype3.org/listinfo.cgi/type3-vwtype3.org
> Contact gregm at vwtype3.org if you need help with the list.
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.vwtype3.org/private.cgi/type3-vwtype3.org/attachments/20110901/2de36a69/attachment.htm>