Technical Service Bulletin
46 S4 and S5 squealing from front brakes (PR-1LJ)
46 15 11 2027636/9 June 29, 2015. Supersedes Technical Service Bulletin Group 46 number 14-89 dated July 21,
2014 for reasons listed below.
Model(s)

Year

VIN Range

Vehicle-Specific Equipment

S4

2010 - 2012

All

PR-1LJ

S4

2013

000001 - 083991

PR-1LJ

S5

2008 - 2012

All

PR-1LJ

S5

2013

000001 - 038944

PR-1LJ

S5 Cabriolet

2010 - 2012

All

PR-1LJ

S5 Cabriolet

2013

000001 - 006403

PR-1LJ

Condition
REVISION HISTORY
Revision

Date

Purpose

9

-

Revised header data (Updated VIN range)
Revised Required Parts and Tools (Updated part numbers)
Revised Service (Procedure updates)

8

7/21/2014

Revised Condition (Added Note)
Revised Service (Clarified information)
Revised Warranty (Updated labor operations)

7

3/12/2014

Revised header data (Updated engine codes)
Revised Technical Background (Updated pad wear limit)

Customer may complain about brake squeak or squeal with light to moderate pedal pressure.

© 2015 Audi of America, Inc.

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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
Technical Background
If any of the following conditions exist, this TSB does not apply.
• Front brake discs or brake pads are close to their wear limit
(disc wear limit: 28 mm and pads wear limit with backing
plate and dampening plate: 10 mm).
• Foreign objects between brake disc and brake pad, such
as small stones, grit, rust build-up, or sand.
• Un-ground or corroded friction materials.
• Metallic deposits from disc material in brake pad (Figure 1).

Figure 1. Metallic deposits.

Production Solution
Three unique improvements were released in three different model years.

Service
1.

Use ETKA to verify the vehicle build date and the front brake PR code.

2.

Use this data to determine which scenario applies to the vehicle to perform the correct repair. Only one
scenario can be applied to the vehicle.
Scenario A:
Cars built before June 20, 2011 with PR-1LJ
Scenario B:
• Cars built before June 20, 2011 with PR-1ZT
• Cars built on or after June 20, 2011 but before December 6, 2013 with PR-1LJ

© 2015 Audi of America, Inc.

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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
Scenario A
1.

Install the parts listed in the Required Parts and Tools table according to Elsa.

2.

Apply a thin coat of anti-seize (G 052560A2) lubricant to
the guide pins of the front caliper carriers prior to installing
the brake pads (Figure 2).

Figure 2. Caliper carrier guide pins with antiseize (G 052560A2) lubricant applied where the
pads make contact.
3.

Follow all instructions in TSB 2011732: 00 Software Management (SVM), operating instructions, to update
the vehicles front brake PR code data using the SVM action code listed in the table below. Use Audi Flashing
>> Software Version Management (SVM) >> SVM – Direct input: SVM code for vehicle conversion.

Models
S4 / S5 / S5 Cabriolet

Old front brake PR code

New front brake PR code

PR-1LJ

PR-1ZT

(345x29.5MM front discs)

(345x30MM front discs)

SVM Action Code
03A004

Tip: The change is necessary to ensure correct parts are installed during future brake service. This SVM
code should only be performed for repairs listed in Scenario A. PR-1ZT indicates that Scenario A repairs were
previously performed

© 2015 Audi of America, Inc.

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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
Scenario B:
1.

Check the part number on the front discs. If part number is
not 4G0615301G, install 4G0615301G front discs (Figure
3).

Figure 3. Front brake disc part number location.
2.

Apply a thin coat of anti-seize (G 052560A2) lubricant to
the guide pins of the caliper carrier (Figure 4).

Figure 4. Caliper carrier guide pins with antiseize (G 052560A2) lubricant applied where the
pads make contact.

© 2015 Audi of America, Inc.

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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
Brake embedding – follow this procedure if front pads and/or discs are replaced.
1.

Perform 10 stops from approximately 35 mph to 10 mph with medium pedal pressure.

2.

Drive for approximately 5 minutes without braking to allow the brakes to cool down.

3.

Perform 10 stops from approximately 35 mph to 10 mph with medium pedal pressure.

4.

Drive for approximately 5 minutes without braking to allow the brakes to cool down.

5.

Repeat steps 1 and 2 if necessary.

6.

Do not perform ABS stops as a way of embedding the brakes. Brake pads and discs may be permanently
damaged.

Tip: If the vehicle still exhibits brake noise after all the repairs stated above have been accurately performed:
• Obtain a sound recording, create a TAC ticket, and attach the sound recording.
• Do not open a TAC ticket without a sound recording.

© 2015 Audi of America, Inc.

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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
Warranty
There must be an original customer complaint of the specified symptom on the repair order for this Technical
Service Bulletin to apply. Adding this procedure on is not permitted.
Claim Type:

110

Service Number:

4617

Damage Code:

0020

Labor Operations: Scenario A
2 Wheels remove and reinstall

4405 2000

20 TU

2 Brake pads, front remove and reinstall

4636 2050

50 TU

4650 2050

40 TU

0150 0000

Time stated
on diagnostic
protocol

Includes replacing 2 caliper carriers, cleaning guide pins and
applying G 052560A2
2 Front brake disc remove and reinstall
Includes front brake caliper loosened and fastened
SVM update

(Max 30 TU)
Scenario B: without discs
2 Wheels remove and reinstall

4405 2000

20 TU

Front brake calipers separated from caliper carriers to clean
guide pins and apply G 052560A2

4739 2099

40 TU

2 Wheels remove and reinstall

4405 2000

20 TU

2 Front brake disc remove and reinstall

4650 2050

40 TU

Front brake calipers separated from caliper carriers to clean
guide pins and apply G 052560A2

4739 2099

40 TU

Road test prior to service procedure

0121 0002

10 TU

Road test after service procedure

0121 0004

10 TU

Scenario B: with discs

Includes front brake caliper loosened and fastened

Diagnostic Time:

Technical diagnosis at dealer’s discretion
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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
(Refer to Section 2.2.1.2 and Audi Warranty Online for DADP allowance details)
Claim Comment:

As per TSB #2027636/9

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
Part Number

Part Description

Quantity

G 052560A2

Anti-seize lubricant

0.10

4G0615301G

Front brake discs

2

8R0698151

Set of brake pads with wear indicator (1 set)

1

8T0615125A

Caliper carrier

2

N 91147601

Bolt, hex.hd. with shoul. (combi) M14X1,5X48

4

N 10648301

Hex socket countersunk bolt M6X16

2

Additional Information
The following Technical Service Bulletin(s) will be necessary to complete this procedure:
• TSB 2011732: 00 Software Management (SVM), operating instructions
All parts and service references provided in this TSB (2027636) are subject to change and/or removal. Always
check with your Parts Department and service manuals for the latest information.

© 2015 Audi of America, Inc.

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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.