A4023662059996_3

Technical Service Bulletin
40 Rumbling/knocking noises from front suspension - bolted connection of tower brace
40 23 66 2059996/3 June 29, 2023. Supersedes Technical Service Bulletin Group 40 number 22-36 dated March
16, 2022, for reasons listed below.
Model(s)
Year
Q7
2017 – 2024
Q5, and SQ5
2018 – 2024
Q8
2019 – 2024
SQ7, SQ8, and
RS Q8
2020 – 2024
VIN Range
Vehicle-Specific Equipment
All
Not Applicable
Q5 e quattro, Q5
Sportback, and 2021 – 2024
SQ5 Sportback
Condition
REVISION HISTORY
Revision
Date
Purpose
3
-
Revised Header (Added Model Year)
2
03/16/2022
Revised Header (Added Model Years)
1
07/02/2020
Initial publication
Customer states:
• Rumbling or knocking noises can be heard from the front end on uneven roads.
Workshop findings:
• The noise can be reproduced by the workshop.
Technical Background
The noise can be caused by tension in the body.
Production Solution
Page 1 of 3
© 2023 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.
Technical Service Bulletin
Not applicable.
Service
1. Check the bolted connection of the tower brace.
2. If necessary, secure the
bolt with the correct
torque according to the
repair manual and
reassess the concern
(Figure 1 and 2).
Figure 1. Example of tower brace for an Audi Q7.
Figure 2. Example of tower brace for an Audi Q5
3. Follow the instructions in Elsa at Repair Manual, Chassis >> Suspension, Wheels, Steering >> 40 Front
Suspension >> Suspension Strut, Upper Control Arm >> Overview Tower Brace.
Warranty
Page 2 of 3
© 2023 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.
Technical Service Bulletin
Claim Type:
• 110 up to 48 Months/50,000 Miles.
• If the vehicle is outside any warranty, this Technical Service Bulletin is informational
only.
Service Number:
4086
Damage Code:
0020
Labor Operations:
Check torque for tower brace
4086 0199
20 TU
Diagnostic Time:
GFF
No allowance
0 TU
Road test prior to the service procedure
0121 0002
10 TU
Road test after the service procedure
0121 0004
10 TU
Claim Comment:
As per TSB 2059996/3
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.
Additional Information
All part and service references provided in this TSB (2059996) are subject to change and/or removal. Always
check with your Parts Department and/or ETKA for the latest information and parts bulletins. Please check the
Repair Manual for fasteners, bolts, nuts, and screws that require replacement during the repair.
©2023 Audi of America, Inc. All rights reserved. The 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.
Page 3 of 3
© 2023 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.