A4022402058489_4

Technical Service Bulletin
40 Rumbling/creaking noises from front of the vehicle when driving - Q7, Q8, A8
40 22 40 2058489/4 April 26, 2022. Supersedes Technical Service Bulletin Group 40 number 21-27 dated
August 17, 2021, for reasons listed below.
Model(s)
Year
VIN Range
Vehicle-Specific Equipment
Q7
2017 2019
All
Q7, and
SQ7
2020
000001 – 008523
A8
2019
All
A8, A8 e
quattro,
and S8
2020
000001 – 008304
Q8
2019
All
Q8, and
SQ8
2020
000001 – 011971
RS Q8
2020
All
Not Applicable
Condition
REVISION HISTORY
Revision
Date
Purpose
4
-
Revised header (Updated Models)
3
08/17/2021
Revised Warranty (Updated Labor Operations)
2
03/12/2020
Revised Warranty (Updated Labor Operations)
Customer states:
Page 1 of 7
© 2021 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 rumbling, 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.
Page 2 of 7
© 2021 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
Not applicable.
Service
1. Replace the hydro-bushing on the guide link in pairs (Figure 1, Position 8) according to the instructions
in Elsa at Repair Manual, Chassis >> Suspension, Wheels, Steering >> 40 Front Axle >> Lower Control
Arm and Ball Joint >> Guide link bonded rubber bushing, Removing and Installing.
Page 3 of 7
© 2021 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
2. Before installation, ensure that the new parts of the
hydro-bushing have a parts version of 03S or higher
(Figure 3).
Figure 3. Hydro-bushing parts number.
3. 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) in Elsa at Repair Manual, Chassis >>
Suspension, Wheels, Steering >> 40 Front Axle >> Lower Control Arm and Ball Joint >> Guide Link,
Removing and Installing.
Page 4 of 7
© 2021 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
Before installation, ensure the new guide link has a
parts version of 05S or higher (Figure 4).
Tip:
• Please precisely locate the source of the noise with
acoustic testers.
• Check the repair history for repeat repairs.
Figure 4. New guide link parts version.
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
Page 5 of 7
© 2021 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
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 2058489/4
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
Always check with your Parts Department and/or ETKA for the latest information and parts bulletins.
Part Number
Part Description
Quantity
See ETKA
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.
Page 6 of 7
© 2021 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
©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.
Page 7 of 7
© 2021 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.