[s-cars] apparently warped rotors, when hot

[Daniel Hussey]

Steve,

You may very well have a defective set of rotors...  it CAN happen.  If they
are warped out of the box, send them back and get new ones.  I had this
experience with a set of Brembo cross-drilled rotors (which I wouldn't
recomend to anyone) on my old 5ktq a few years back.  Damn things warped in
about two weeks.

Drive on them for a while and if problem persists over more than a few days,
I'd send them back.

Later,
Dan
----- Original Message -----
From: "Steve Marinello" <smarinello at charter.net>
To: <s-car-list at audifans.com>
Sent: Friday, May 30, 2003 9:33 AM
Subject: Fw: [s-cars] apparently warped rotors, when hot


> Hmmmm....I see I wrote "breaking" vs. braking...a Freudian slip or the
> influence of the Audi gods?
>
> ----- Original Message -----
> From: "Steve Marinello" <smarinello at charter.net>
> To: <s-car-list at audifans.com>
> Sent: Friday, May 30, 2003 11:16 AM
> Subject: [s-cars] apparently warped rotors, when hot
>
>
> > A question to the list...
> >
> > Does it make sense for front rotors to act warped after they heat up,
but
> > not until then?
> >
> > The sedan I purchased a while ago had nearly new drilled Zimmermann
rotors
> > on the G60's up front.  Having had to replace the pads (Red Box
installed)
> > I went to bedding them in.  Some 10-15 second  drag breaking to heat
them
> up
> > some and then started the bedding in with the stepped up speed and
> breaking
> > episodes.  Nice, smooth breaking for the first set, then after a bit
> started
> > a second set.  Third one in from about 60 mph, the steering wheel starts
> > dancing in my hands.  WTF?!  Tried it again; same thing.  Drove a bit
and
> > did it again...smooth.  And so it goes.  Sometimes smooth; sometimes
> feeling
> > warped, but almost always when they've been nominally heated up.  Not
hot,
> > buy any means.
> >
> > In any case, slapped a set of used stock rotors on it and the problem
> > doesn't seem to exist.  Longer pedal travel 'cause they're worn, but no
> > shimmy.
> >
> > Any similar experiences?  If it seems to do it only when it's warmed up,
> > does it make any sense to turn the rotors?  They don't seem to show a
> warp,
> > at least when cold.  They're barely worn; not much more than a
fingernail
> > thickness lip.
> >
> > TIA,
> >
> > Steve
> >
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>
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