Are 2.7T, 4.2, and S4 Rotors the same?
08-08-2002, 03:42 PM
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Are 2.7T, 4.2, and S4 Rotors the same?
Are the front rotors all the same for these cars, well at least the 2000-2001 A6's with the HP-2's? I'm looking at upgrading mine, since they are slightly warped. Also are the back rotors the same on a 2.7T as a 2.8 as long as they are both quattro? I did do a search, but I didn't find th answers I was looking for.
TIA,
Slo
TIA,
Slo
08-08-2002, 03:50 PM
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Yup, fronts are the same...rears are a solid-rotor on the 2.7T and
vented on the S4 and the A6 4.2. You may be right about the 2.8s rear rotors being the same as the 2.7T.
HTH
HTH
08-08-2002, 06:23 PM
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Try links in the FAQ about BIRA rotors, my choice if mine warp again...
<A HREF="http://www.bira.org/press/s2repl.html">BIRA - Coleman Replirotor replacements for HP-2 Rotors</A>
<A HREF="http://www.bira.org/neus4.html">BIRA - Testing of stock brakes, and Coleman Replirotors replacements for HP-2 brakes</A>
<A HREF="http://www.bira.org/neus4.html">BIRA - Testing of stock brakes, and Coleman Replirotors replacements for HP-2 brakes</A>
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08-10-2002, 06:35 AM
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Thanks: Stoney
Mine are still factory, and have already been turned once, down to the limit. I am starting to get the dreaded pedal/ steering wheel shake again, so now it's time for some aftermarket ones.
08-10-2002, 08:55 AM
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Turning does not solve it. Replacement of rotors is the only fix. Dealers should know this.
Further, the rotors are prone to this, although newer ones are supposed to be less so. I'd make the dealership replace them, then break them in using a specific protocol found at the StopTech website. That's what I did, and its working (see <a href="https://forums.audiworld.com/a6/msgs/156742.phtml">Rotor warping and how to avoid</a>).
From my FAQ:
<a href="http://stoptech.com/whitepapers/brake_systems_and_upgrade_selections_122701.htm">S topTech: Brake Systems & Upgrade Selection [including how to break in new rotors]</a>
<a href="https://forums.audiworld.com/a6/msgs/159958.phtml">Brake Options for A6 4.2, summary & links</a>
<a href="https://forums.audiworld.com/a6/msgs/156742.phtml">Rotor warping and how to avoid</a>
<a href="https://forums.audiworld.com/a6/msgs/127373.phtml">Warped rotors after warranty?</a>
<A HREF="https://forums.audiworld.com/a6/msgs/171342.phtml">Aftermarket rotors for HP-2 brakes, from BIRA/Coleman</A>
<A HREF="http://www.bira.org/press/s2repl.html">BIRA - Coleman Replirotor replacements for HP-2 Rotors</A>
<A HREF="http://www.bira.org/neus4.html">BIRA - Testing of stock brakes, and Coleman Replirotors replacements for HP-2 brakes</A>
From my FAQ:
<a href="http://stoptech.com/whitepapers/brake_systems_and_upgrade_selections_122701.htm">S topTech: Brake Systems & Upgrade Selection [including how to break in new rotors]</a>
<a href="https://forums.audiworld.com/a6/msgs/159958.phtml">Brake Options for A6 4.2, summary & links</a>
<a href="https://forums.audiworld.com/a6/msgs/156742.phtml">Rotor warping and how to avoid</a>
<a href="https://forums.audiworld.com/a6/msgs/127373.phtml">Warped rotors after warranty?</a>
<A HREF="https://forums.audiworld.com/a6/msgs/171342.phtml">Aftermarket rotors for HP-2 brakes, from BIRA/Coleman</A>
<A HREF="http://www.bira.org/press/s2repl.html">BIRA - Coleman Replirotor replacements for HP-2 Rotors</A>
<A HREF="http://www.bira.org/neus4.html">BIRA - Testing of stock brakes, and Coleman Replirotors replacements for HP-2 brakes</A>
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