A4024702058489_7

Technical Service Bulletin
40 Creaking noises from front of the vehicle when driving - Q7, Q8, A8, etron
40 24 70 2058489/7 January 12, 2024. Supersedes Technical Service Bulletin Group 40 number 22-44 dated July
12, 2022 for reasons listed below.
Model(s)
A8
Year
VIN Range
2019 – 2020
All
2021
000001 – 028090
2020
All
2021
000001 – 028090
A8 e quattro
2019
e-tron quattro
2021
All
e-tron Sportback
quattro
2020 - 2021
All
e-tron quattro, etron Sportback
quattro, and etron S
2022
000001 – 010196
Q7
2017 – 2021
All
SQ7
2020 – 2021
All
Q7, and SQ7
2022
000001 – 004992
Q8
2019 – 2021
All
SQ8, and RS Q8 2020 – 2021
All
Q8, SQ8, and
RS Q8
2022
Vehicle-Specific Equipment
Not Applicable
000001 - 004799
Condition
REVISION HISTORY
Revision
Date
Purpose
7
-
Revised header (Model Years)
6
07/12/2022
Revised header (Updated Models, Model Years and VIN Break)
5
06/08/2022
Revised Service (Updated Procedure)
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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
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Technical Service Bulletin
Customer states:
• Squeaking, creaking, or similar noises can be heard from the front end when driving on uneven roads. The
noises can possibly be heard and felt in the footwell or behind the dash panel.
Workshop findings:
• The noises can be reproduced.
Technical Background
The noises can be generated on the lower-left guide in
the area of the hydro-bushing. (Figure 1, Positions 7 and
8).
Figure 1. Hydro-bush.
Parts such as the coupling rod (Figure 2, Position 30) are
usually replaced by mistake, presenting no problems.
The noises from the guide link can be transmitted into
the vehicle interior by the connection of the subframe on
the body and are noticeable in the footwell.
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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 2. Coupling rod.
Production Solution
Not applicable.
Service
1. Replace the hydro-bushing on the guide link in pairs (Figure 1, Position 8) according to the instructions in
the ELSA Repair Manual at Chassis >> Suspension >> Wheels, Steering >> 40 Front Axles >> Lower
Control Arm and Ball Joint >> Guide link bonder rubber bushing, Removing and Installing.
2. If repeat repairs are necessary and the hydro-bushing has already been replaced (pressed out/in), the
complete guide link has to be replaced (Figure 1, Position 7). Refer to the instructions in the ELSA Repair
Manual at Chassis >> Suspension >> Wheels, Steering >> 40 Front Axles >> Lower Control Arm and
Ball Joint >> Guide link, Removing and Installing.
Please precisely locate the source of the noise with acoustic testers.
Check the repair history for repeat repairs.
Warranty
Claim Type:
• 110 up to 48 months/50,000 miles.
• G10 for CPO Covered vehicles – Verified Owner.
• If the vehicle is outside any warranty, this Technical Bulletin is
informational only.
Service Number:
4012
Damage Code:
0020
2 Lower guide links remove + reinstall
4016 2050
For A8, Q7, and Q8
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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
Replace 2 guide link mounting
4016 2000
See SRT with
For e-tron
associated
4012 5650
See SRT with
operations
associated
operations
Diagnostic Time:
Claim Comment:
GFF
No allowance
0 TU
Road test prior to the service procedure 0121 0002
10 TU
Road test after the service procedure
10 TU
0121 0004
As per TSB 2058489/7
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
Part Description
Quantity
Number
4M0407183B Hydro-Bushing
02
See ETKA
Guide Link (only if Hydro-Bushing has been replaced previously)
02
See ETKA
Fasteners, Bolts, Nuts, and Screws as needed per the Repair
See
Manual
ETKA/ELSA
Additional Information
All parts and service references provided in this TSB (2058489) are subject to change and/or removal.
©2024 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
© 2024 Audi of America, Inc.
Internal
Page 4 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.
Technical Service Bulletin
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.
© 2024 Audi of America, Inc.
Internal
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.