A3422572066784_1

Technical Service Bulletin
34 Whining/howling noises above 74 mph in 7th gear
34 22 57 2066784/1 April 14, 2022.
Model(s)
Year
A3 Cabriolet
2017 – 2018
A3, and S3
2017 – 2022
TT, TTS, and TT
Roadster
2019 – 2022
VIN Range
Vehicle-Specific Equipment
All
0GC Transmission
Condition
Customer states:
• Whining/howling noises can be heard from the front of the vehicle/engine compartment when driving in 7th
gear at speeds between 74 mph and 100 mph when the engine is at operating temperature (engine oil
temperature approx. 80 °C).
And/Or
• Whining/howling noises can be heard from the front of the vehicle/engine compartment when driving in 3rd
gear at engine speeds between 1200 rpm and 2500 rpm when the engine is at operating temperature (engine
oil temperature approx. 80 °C).
Workshop findings:
• One or both customer statements can be reproduced.
Warning:
Obey posted speed limits and operate the vehicle safely
Technical Background
Harmonic rotational transmission noise transferred through the driver’s side drive axle.
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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
Production Solution
Not applicable.
Service
If the above has been confirmed, continue as follows:
Installation of a damper weight on the shaft of the front driver’s side drive axle will eliminate the concern.
Obtain the damper weight and roll pin from your parts department (see Required Parts and Tools below) and
install them following the directions in this Technical Service Bulletin.
• Position the damper weight on the driver’s side drive axle as shown below (Figure 1) and mark the correct
installation position. (Refer to Figure 1, dimension = 26 +/- 2 mm) with a suitable pen.
Figure 1. Installation position of damper weight on driver’s side drive axle
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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
• Position damper weight at the position marked previously on the left wheel input shaft again. Secure damper
weight using a commercially available screw-type hose clamp (Figure 2, green arrow).
• Insert roll pin into the left or right hole in damper weight (Figure 2, red arrow).
Figure 2. Secured damper weight with inserted roll pin
• Press roll pin carefully into damper weight using suitable pliers (Figure 3).
Note:
The roll pin must not be driven into the damper weight with a hammer or it will damage the damper.
© 2022 Audi of America, Inc.
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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
Figure 3. Pressing Roll Pin in Damper
• Remove screw-type hose clamp (securing damper weight) from damper weight. Do not leave the screw-type
hose clamp installed or a new vibration will be created.
• Test drive the vehicle to confirm the repair.
Warranty
Claim Type:
• 110 up to 48 Months/50,000 Miles.
• G10 for CPO Covered Vehicles – Verify Owner.
• If vehicle is outside any warranty, this Technical Service Bulletin is informational only.
Service Number:
3435
Damage Code:
0020
Labor Operations:
Attach weight to drive shaft
© 2022 Audi of America, Inc.
4041 4999
40 TU
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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
Diagnostic Time:
Claim Comment:
GFF
No allowance
0 TU
Road test prior to service procedure
0121 0002
10 TU
Road test after service procedure
0121 0004
10 TU
As per TSB 2066784/1
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
Always check with your Parts Department and/or ETKA for the latest information and parts bulletins.
Part Number
Part Description
Quantity
See ETKA
Fasteners, Bolts, Nuts, and Screws as needed per the
See ETKA/ELSA
Repair Manual
5WA 407 267
Damper weight
01
N 108 779 01
Roll pin
01
-
Screw Type Hose Clamp
01 Shop Supply
Additional Information
All parts and service references provided in this TSB (2066784) are subject to change and/or removal.
©2022 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.
© 2022 Audi of America, Inc.
Page 5 of 5
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.