Technical Service Bulletin
40 Creaking noises from front of the vehicle when driving - Q7, Q8, A8
40 22 41 2058489/5 June 8, 2022. Supersedes Technical Service Bulletin Group 40 number 22-40 dated April
26, 2022, for reasons listed below.
Model(s)

Year

VIN Range

Q7

2017 – 2019

All

A8

2019 – 2020

All

Q8

2019

All

2020

All

2020

000001 – 008523

2020

000001 – 011971

A8 e quattro and
S8
Q7 and SQ7
Q8, SQ8, and RS
Q8

Vehicle-Specific Equipment

Not Applicable

Condition
REVISION HISTORY
Revision

Date

Purpose

5

-

Revised Service (Updated Procedure)

4

04/26/2022

Revised header (Updated Models)

3

08/17/2021

Revised Warranty (Updated Labor Operations)

Customer states:

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© 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.

Technical Service Bulletin
• They can hear squeaking, creaking, or similar noises 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.

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© 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.

Technical Service Bulletin
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.

Figure 2. Coupling rod.

Production Solution
Required.

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.
Tip:

Page 3 of 5
© 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.

Technical Service Bulletin
• 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

See SRT with
associated
operations

Replace 2 guide link mounting

4012 5650

See SRT with
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

0121 0004

10 TU

As per TSB 2058489/5

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.

Page 4 of 5
© 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.

Technical Service Bulletin
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

4M0407183B

Hydro-Bushing

02

See ETKA

Guide Link (only if Hydro-Bushing has been replaced

02

previously)
See ETKA

Fasteners, Bolts, Nuts, and Screws as needed per the See ETKA/ELSA
Repair Manual

Additional Information
All parts and service references provided in this TSB (2058489) are subject to change and/or removal.
©2022 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.

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© 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.