2005 Audi A6 quattro vibration/problem
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2005 Audi A6 quattro vibration/problem - 5/6/2008 12:21:07 PM
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Southern6er
Posts: 1
Joined: 5/6/2008
Status: offline
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My wife has an 05 A6 3.2 Quattro.
When doing turns at very low speeds, like backing out of a parking spot or turning into our driveway, there is a pretty noticeable shudder and noise coming from what seems like the front end. We don't notice it at speed as the turns are not that sharp.
As one who also own a 4x4 Jeep with lockers, it kind of reminds me of a tire scrubbing situation or something in the differentials. I don't know enough about Quattro to determine if this is working as designed or what.
We've had the dealer look at it and they can't seem to find anything wrong with it. I've researched TSB's and recalls and haven't found anything there either. But from my POV, a car of this calibre shouldn't be noisier when turning than my 11 year old Jeep with lockers.
Any input would be truly appreciated. If you need more info, please ask and I'll try to answer them as best I can.
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RE: 2005 Audi A6 quattro vibration/problem - 5/6/2008 2:33:48 PM
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joetm
Posts: 536
Joined: 1/6/2008
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well is this when you are like turning from stop because if you think about it quattro is pretty much 4x4 and when you try and turn a 4x4 it makes that shuttering sound ... this is normal to hear it happens to everyone but it shouldnt be happening at high speeds if that what you were saying ... but if you are starting from stop and turning the wheel or just at a low speed liek 5 10 mph then its normal
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-Joe
2002 a6 2.7t / GIAC / REMUS / AWE-Tuning s-flo intake / bailey's DVs / vast stage 3 tip chip /vast piggies / obx manifolds / k04's and rs4 ecu platform to come soon!
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RE: 2005 Audi A6 quattro vibration/problem - 5/6/2008 4:55:52 PM
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Kevin
Posts: 529
Joined: 1/10/2005
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I know that you say that you searched through the TSBs. However, I would think that the TSB on the front brake seals may apply. Pasted below is a portion of that TSB.
Technical Service Bulletin Page 1 of 2 © 2008 Audi of America, Inc. All rights reserved. Information contained in this document is based on the latest information available at the time of printing and is subject to the copyright and other intellectual property rights of Audi of America, Inc., its affiliated companies and its licensors. All rights are reserved to make changes at any time without notice. No part of this document may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, nor may these materials be modified or reposted to other sites, without the prior expressed written permission of the publisher. Brakes make moaning or "muh" noise when accelerating from stop or turning at slow speeds 47 08 02 2016681/4 April 4, 2008. Supersedes Technical Service Bulletin Group 47 number 08-01 dated January 22, 2008 to add note concerning acceptable lubricants. Model(s) Year VIN Range Vehicle-Specific Equipment A4 2005 – 2008 All A6 2005 400000 – 999999 A6 2006 – 2008 All FNRG Brakes Condition “Muh” sound or moaning noise coming from the front brakes (FNRG) in the following conditions: • Slowly pulling away after a stop. • While turning at low speeds. The performance of the brakes is not compromised. Technical Background The pistons in the calipers in certain vehicles may not retract far enough, which may leave contact between the rotor and pad. This contact may cause a “muh” sound or moaning noise in low speed conditions. Production Solution New caliper piston seals have been developed to allow the pistons to retract further. Service Install the new caliper piston seal (Part No. 4E0 698 471 A) according to the instructions in Repair Manual >> Chassis >> 47 Brakes – Hydraulic components >>Front Brake Calipers >>Front Brake Caliper Piston FN3, Removing and Installing.
Note:
< Message edited by Kevin -- 5/6/2008 5:03:23 PM >
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