[s-cars] brake shudder

[Taka Mizutani]

Mike-
Sometimes the only way to remove pad deposition is with some sandpaper and
elbow grease. Or if you're careful, you can use a buffer/sander to do it
faster. Make sure you wear respiratory protection.

Taka


On Tue, May 4, 2010 at 10:26 AM, Michael Lardizabal <
mikellardizabal at yahoo.com> wrote:

> To Larry.......v v v v
>
> --- On Tue, 5/4/10, LL - NY <larrycleung at gmail.com> wrote:
>
>
> From: LL - NY <larrycleung at gmail.com>
> Subject: Re: [s-cars] brake shudder
> To: "JC" <jc at j2c3.com>
> Cc: "S-CAR list" <s-car-list at audifans.com>
> Date: Tuesday, May 4, 2010, 10:11 AM
>
>
> FWIW, I've been able to clean off my HPS equipped rotors using their
> bedding
> procedure, i.e. 6 - 8 75% braking "stops" from "roughly" (legal disclaimers
> here, no units stated) 80 - 30, no coming to a stop in between. Seems to
> work without melting them on the UrS.
>
> Even though the speed differential is the same, due to the velocity squared
> relationship of kinetic energy the aforementioned post is roughly 60% more
> work, hence the potential HPS meltdown.
>
> Its too early in the morning for that kind of scientific pjorn  .....i did
> the bedding protocol to no avail.
>
>
>
>  At Miss Piggy's weight, there are
> more appropriate pads for track like braking than HPS.
>
> On Tue, May 4, 2010 at 9:00 AM, JC <jc at j2c3.com> wrote:
>
> > FWIW, I used to have the problem with a BIRA setup and HPS pads on a C5.
> I
> > liked the feel of the Hawks but never the way they'd load up the rotor.
> >
> > If it wasn't too bad usually the old high speed burn-off would do the
> trick
> > and -->YES I know<-- that can make it worse but for minor pulsing it
> > usually
> > worked for me. Trick I was taught was doing it at very high speeds aka
> hard
> > brake from <redacted illegal speed> down to say 30mph or so, then you can
> > keep rolling, keep a lot of air going over the rotor, and don't leave the
> > pads sitting on the rotor while everything is red-hot. Hard braking to
> full
> > stop is usually guaranteed to make it worse. and If it's gotten too bad
> > then
> > this doesn't work as I guess the glaze is too heavy or baked in...
> >
> > > -----Original Message-----
> > > From: s-car-list-bounces at audifans.com
> > > [mailto:s-car-list-bounces at audifans.com] On Behalf Of Taka Mizutani
> > > Sent: Monday, May 03, 2010 9:10 PM
> > > To: lee at wheelman.com
> > > Cc: s-car-list at audifans.com
> > > Subject: Re: [s-cars] brake shudder
> > >
> > > Definitely- I've had this problem several times now with the
> > > V70R, which has 996tt sized brakes front and rear.
> > >
> > > Pad composition is the big thing- I think Hawk HPS definitely
> > > are not well suited to the car- I get this issue quite often.
> > >
> > > Axxis Deluxe did not do that, but they also felt like they
> > > didn't stop at all with light to moderate brake pressure.
> > >
> > > The OE pads, which are super dusty (I think Ate or Textar) do
> > > not do this, do not squeal, but dust like crazy.
> > >
> > > Taka
> > >
> >
> >
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