A4020012058489_1

40 Rumbling/creaking noises from front of the vehicle when driving - Q7, Q8, A8, and Audi e-tron quattro
40 20 01 2058489/1 February 6, 2020.
Model(s)
Year
VIN Range
Vehicle-Specific Equipment
Q7
2017 - 2019
All
Not Applicable
Q7
2020
000001 - 008523
Not Applicable
Q8
2020
000001 - 011971
Not Applicable
A8
2020
000001 - 008304
Not Applicable
Audi e-tron
quattro
2020
000001 - 016781
Not Applicable
A8, Q8, and
Audi e-tron
quattro
2019
All
Not Applicable
Condition
Customer states:
 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 foot well or behind the dash panel.
Workshop findings:
 The noises can be reproduced.
Page 1 of 5
© 2020 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 Background
The noises can be generated on the lower
left guide in the area of the hydro-bush.
(Figure 1 – Position 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 sub frame on the body
and are noticeable in the foot well.
Figure 2. Coupling rod.
Production Solution
Not applicable.
Page 2 of 5
© 2020 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.
Service
1. Replace the hydro-bush 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.
2. Before installation, ensure that the new
parts of the hydro-bush have a parts
version of 03S or higher (Figure 3).
Figure 3. Hydro-bush parts number.
3. If repeat repairs are necessary and the hydro-bush 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.
Before installation, ensure the new guide
link has a parts version of 05S or higher
(see 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.
Page 3 of 5
© 2020 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.
Warranty
Claim Type:
 110 up to 48 months/50,000 miles.
 G10 for CPO covered vehicles – Verified Owner.
 If vehicle is outside warranty, this Technical Bulletin is informational only.
Service Number:
4012
Damage Code:
0020
Labor Operations:
1 Wheel remove + reinstall
4405 1900
See SRT
2 Wheels remove + reinstall
4405 2000
See SRT
1 Lower guide link remove + reinstall
4016 1950
See SRT
2 Lower guide links remove + reinstall
4016 2050
See SRT
Replace guide link mounting
4012 5550
See SRT
Replace 2 guide link mounting
4012 5650
See SRT
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
Diagnostic Time:
Claim Comment:
As per TSB #2058489/1
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
Hydro-Bush
02
See ETKA
Guide Link (only if Hydro-Bush has been replaced
previously)
01 or 02
See ETKA
Fasteners, Bolts, Nuts, and Screws as needed per the
Repair Manual
See ETKA/ELSA
Page 4 of 5
© 2020 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.
Additional Information
All parts and service references provided in this TSB (2058489) are subject to change and/or removal.
©2020 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 5 of 5
© 2020 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.