[s-cars] Pseudo Warped Rotor?

[Mark Strangways]

Have you checked the wheels, bent rims can cause effects like warped rotors.
BTDT...
Also 2 piece rotors need to be trued after initial torguing.

I had to just touch my 993 / bira combination after a few weeks of good use.
Mark
----- Original Message ----- 
From: "D Cosby" <dccosby at hotmail.com>
To: <s-car-list at audifans.com>
Sent: Monday, May 10, 2004 5:24 PM
Subject: [s-cars] Pseudo Warped Rotor?


> Just put on a new set of front rotors to replace the severely worn set
that
> was also slightly "warped" on the front passenger side. A new set of
rotors
> (and pads) later the "warp" feels exactly the same.
>
> The car feels fine under braking around town. At highway speeds there is
the
> classic thumping sound and very slight kick back through the pedal. The
> problem gets worse with heat. This is the exact feel I had with the old
> rotors and appeared with the new set at mile 1.
>
> I'm running the Bira system 1 setup (fixed Boxster calipers + A8 rotors).
>
> I'm not inclined to believe that my new rotors are identically warped to
my
> old set right out of the box (the old rotors were OEM A8, the new are 2
> piece ECS replacements). I'm going to yank the rotor and make sure the hub
> is clean. Any other suggestions? Bearings?
>
> Thanks.
> Dwayne
>
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