40 Noises from the front axle and swivel joint (ball joint)
40 20 22 2058421/3 December 10, 2020. Supersedes Technical Service Bulletin Group 40 number 20-02 dated
March 12, 2020 for reasons listed below.
Model(s)

Year

VIN Range

Vehicle-Specific Equipment

A6, A7, S6,
and S7

2020

000001 - 030328

Not Applicable

A8, S8

2020

000001 - 007755

Not Applicable

Q5, SQ5

2018 - 2019

All

Not Applicable

Q5, SQ5

2020

000001 - 040315

Not Applicable

Q7, SQ7

2017 - 2019

All

Not Applicable

Q7, SQ7

2020

000001 - 005784

Not Applicable

Q8, SQ8

2020

000001 - 008803

Not Applicable

Audi e-tron
quattro

2019

000001 - 023478

Not Applicable

A6, A7, A8,
S8, and Q8

2019

All

Not Applicable

Condition
REVISION HISTORY
Revision

Date

Purpose

3

-

Revised Warranty (Added GFF and updated Labor Operations)
Revised Additional Information (Added reference)

2

03/12/2020

Revised Warranty (Updated descriptions)

1

02/04/2020

Initial publication

Customer states:
 Hearing squeaking/creaking noises when steering or during suspension movement.

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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.

Workshop findings:
 The customer statement can be reproduced.
 The noises can be assigned to the swivel joint (ball
joint) of the left or right front axle (Figure 1, pos. 20).

Figure 1. Swivel (ball joint).

Technical Background
Not applicable.

Production Solution
Not applicable.

Service
Identify and replace the affected swivel joint (ball joint) of the left/right front axle according to the instructions in
Elsa at Repair Manual, Chassis >> Suspension, Wheels, Steering >> 40 Front Suspension >> Lower Control
Arm and Ball Joint >> Ball Joint, Removing and Installing.

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© 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.

Note:
Make sure that the new parts you are installing
have production date week 36/19 or later (Figure 1
and 2, green circles).

Figure 2. Example of initial production date of week 36/19.

Figure 3. Example of production date after week 36/19.

Warranty
Claim Type:

 110 up to 48 Months/50,000 Miles.
 G10 for CPO Covered Vehicles – Verify Owner.
 If the vehicle is outside warranty, this Technical Service Bulletin is informational
only.

Service Number:

4036

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© 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.

Damage Code:

0010

Labor Operations:

Lower ball joint replace (01) with associated
operations based on optional equipment

4036 5550

See SRT with
associated
operations

Lower ball joints replace (02) with associated
operations based on optional equipment

4036 5650

See SRT with
associated
operations

GFF

0150 0000

Time stated on
the diagnostic
protocol

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 #2058421/3

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.

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

Fasteners, Bolts, Nuts, and Screws as needed per the
Repair Manual

See ETKA/ELSA

See ETKA

Swivel joint (ball joint)

01 or 02

Additional Information
More information on this system can be found in the following resources:
 Elsa: Chassis >> Suspension, Wheels, Steering >> 40 Front Suspension >> Lower Control Arm and Ball Joint
>> Ball Joint, Removing and Installing.
All parts and service references provided in this TSB (2058421) 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

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© 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.

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.