ATE power disc pulsation when braking

[Ivan Demkovitch]

ATE is OEM for BMW. I think flat rotor ATE will be good economical 
solution..
For my C4 I will go with Big Blacks when time comes. This car brakes pretty 
bad...

>From: audiSean <audisean at gmail.com>
>Reply-To: audiSean <audisean at gmail.com>
>To: Ivan Demkovitch <idemkovitch at hotmail.com>
>CC: quattro at audifans.com, v6-12v at www.audifans.com
>Subject: Re: ATE power disc pulsation when braking
>Date: Mon, 6 Jun 2005 09:59:22 -0400
>
>My ATE Powerdiscs have had a high frequency vibration as I decelerate
>through 35 mph - 25 mph. I did not have this issue on my C4, though,
>only the C5. I've also recently begun to feel a warped vibration at
>high speed, so the Powerdiscs are on their last legs.
>
>I, too, will return to a flat rotor, but not OEM. I'll probably mount
>up a flat Brembo; the OEMs warp easily.
>
>On 6/6/05, Ivan Demkovitch <idemkovitch at hotmail.com> wrote:
> > I think that will be a lesson for us...
> > I went with ATE Powerdiscs on my BMW and have those pulsations after 
>10k.. I
> > assume it will get worse. And I'm not at the end of grooves yet...
> >
> > On that car I will be back with stock rotors/pads. Can't get any better.
> >
> > Ivan
> > 93' S4
> > 97' 540i/6
> >
> > >Date: Mon, 6 Jun 2005 00:46:41 -0400
> > >From: "Craig D. Niederst" <cdniederst at comcast.net>
> > >Subject: ATE power disc pulsation when braking
> > >To: "'Quattro List'" <quattro at audifans.com>,   "'Audi list'"
> > >       <v6-12v at www.audifans.com>
> > >Message-ID: <20050606044631.28A0F6E80D8 at audifans.com>
> > >Content-Type: text/plain;      charset="us-ascii"
> > >
> > >The ATE Powerdiscs on my '92 100S are at the wear point where I have
> > >reached
> > >the "bottom" of the grooves machined into the rotor. This causes the 
>car to
> > >pulsate badly when braking. Are the rotors at their wear limits when 
>this
> > >occurs, or could I just have them turned? They only have about 17k on 
>them,
> > >and the OEM pads have ~1/2 of their life left. With the arrival of my 
>'00
> > >A6
> > >4.2, this car will be for sale soon, and this pulsation will definitely 
>be
> > >a
> > >problem trying to sell it. TIA.
> > >
> > >
> > >
> > >Craig
> > >
> > >'92 100S (117k)
> > >
> > >'00 A6 4.2 (53k)
> >