46133220166818
Service Bulletin Details
Public Details for: 46133220166818
Brakes make moaning or "muh" noise when accelerating from stop or turning at slow speeds
- 2011 - 2010 - 2009 - 2008 - 2007 - 2006 - 2005 -
Models from 2011
| 2011 AUDI A6 |
Models from 2010
| 2010 AUDI A6 |
Models from 2009
| 2009 AUDI A4 CABRIOLET |
| 2009 AUDI A6 |
Models from 2008
| 2008 AUDI A4 |
| 2008 AUDI A4 CABRIOLET |
| 2008 AUDI A6 |
Models from 2007
| 2007 AUDI A4 |
| 2007 AUDI A4 CABRIOLET |
| 2007 AUDI A6 |
Models from 2006
| 2006 AUDI A4 |
| 2006 AUDI A4 CABRIOLET |
| 2006 AUDI A6 |
Models from 2005
| 2005 AUDI A6 |
Technical Service Bulletin 46 Brakes make moaning or "muh" noise when accelerating from stop or turning at slow speeds 46 13 32 2016681/8 March 18, 2013. Supersedes Technical Service Bulletin Group 47 number 10-01 dated July 15, 2010 for reasons listed below. Model(s) Year VIN Range Vehicle-Specific Equipment A4 2006 - 2008 All FNRG Brakes A6 2005 – 2011 All FNRG Brakes A4 Cabriolet 2006 –2009 All FNRG Brakes Condition REVISION HISTORY Revision Date Purpose 8 - Revised Warranty (adjusted TUs) 7 7/15/2010 Revised header data (Controlling TSB display in ElsaWeb) 6 11/4/2008 Revised title to include Repair Group • “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. © 2013 Audi of America, Inc. Page 1 of 3 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. Technical Service Bulletin Service Install the new caliper piston seal (4E0698471A) according to the instructions in Repair Manual >> Chassis >> 47 Brakes – Hydraulic components >>Front Brake Calipers >>Front Brake Caliper, FNR and G60, Servicing. Note: Use of unapproved assembly lubricant will decrease effectiveness of new seal. Only use new brake fluid conforming to US-Norm FMVSS 116 Dot 4 for installation of new caliper piston seal. Warranty Claim Type: Use applicable claim type. If vehicle is outside any warranty, this Technical Service Bulletin is informational only. Service Number: 4739 Damage Code: 0010 Labor Operations: 2 Front brake calipers, remove + reinstall 4739 2000 70 TU 2 Front brake calipers repair 4739 4250 70 TU Brake system bleed 4701 0750 30 TU GFF No allowance 0 TU Road test prior to service procedure 0121 0002 10 TU Road test after service procedure 0121 0004 10 TU Technical diagnosis No allowance 0 TU Diagnostic Time: Claim Comment: As per TSB #2016681/8 All warranty claims submitted for payment must be in accordance with the Audi Warranty Policies and Procedures Manual. Claims are subject to review or audit by Audi Warranty. Required Parts and Tools Part Number Part Description Quantity 4E0698471A Seal kit 2 (1 for each caliper) © 2013 Audi of America, Inc. Page 2 of 3 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. Technical Service Bulletin Additional Information All parts and service references provided in this TSB are subject to change and/or removal. Always check with your Parts Department and service manuals for the latest information. © 2013 Audi of America, Inc. Page 3 of 3 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.