A391515 2028902-

Technical Service Bulletin
39 Squealing, howling, or whistling noise from under vehicle when cold
39 15 15 2028902/4 April 28, 2015. Supersedes Technical Service Bulletin Group 39 number 14-14 dated May 5,
2014 for reasons listed below.
Model(s)
Year
VIN Range
Vehicle-Specific Equipment
A4, A5,
A5 Cabriolet,
Q5, Q7
2009 - 2015
All
quattro
A6, A7
2012 - 2014
All
quattro
A8
2012 - 2015
All
quattro
Condition
REVISION HISTORY
Revision
Date
Purpose
4
-
Revised header data (Added 2015 models)
3
5/5/2014
Revised title
Revised header data (Added 2013 and 2014 models)
2
6/12/2012
Revised header data (Added Audi Q7)
1
3/14/2012
Original publication
A squealing, howling, or whistling noise may be heard coming from under the vehicle. The condition is typically
noticed when the vehicle is cold (normally below freezing) and is moving at speeds of 5 - 60 mph.
Technical Background
The noise is from the intermediate bearing of the propeller shaft.
Production Solution
Lubrication of intermediate bearing was increased, and further clearance of the shaft extension was achieved.
© 2015 Audi of America, Inc.
Page 1 of 2
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
1. Verify that the noise is coming from the intermediate bearing of the propeller shaft by using chassis ears or a
similar listening device.
2. If the noise is coming from the intermediate bearing, replace the propeller shaft. Follow the procedure in Elsa.
3. Test drive and verify that the noise is no longer present.
Warranty
Claim Type:
Use applicable claim type. If vehicle is outside any warranty, this Technical Service Bulletin
is informational only.
Service Number:
3902
Damage Code:
0020
Labor Operations:
Propeller shaft remove and install
3902 19XX
See Elsa
Diagnostic Time:
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 at dealer’s discretion
(Refer to Section 2.2.1.2 and Audi Warranty Online for DADP allowance details)
Claim Comment:
As per TSB #2028902/4
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
See ETKA for appropriate part number.
Propeller shaft
1
Additional Information
All parts and service references provided in this TSB (2028902) are subject to change and/or removal. Always
check with your Parts Department and service manuals for the latest information.
© 2015 Audi of America, Inc.
Page 2 of 2
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.