A351309 2028085-

Technical Service Bulletin
35 0B5 7 Speed S-tronic, leaks from transmission
35 13 09 2028085/3 April 1, 2013. Supersedes Technical Service Bulletin Group 35 number 12-07 dated
December 21, 2012 for reasons listed below.
Model(s)
Year
VIN Range
Vehicle-Specific Equipment
S4
2010-13
All
0B5 S-Tronic transmission
S5 Cab
2010-13
All
0B5 S-Tronic transmission
S5 coupe
2013
All
0B5 S-Tronic transmission
RS5
2013
All
0B5 S-Tronic transmission
S6
2013
All
0B5 S-Tronic transmission
S7
2013
All
0B5 S-Tronic transmission
Condition
REVISION HISTORY
Revision
Date
Purpose
3
-
Revised Service (Added illustration, clarified steps)
Revised header data (Added models and model years)
Revised Warranty (Removed incorrect information)
2
12/21/2012
Revised Service (Added case leak repair procedure)
Revised Warranty (Added labor for case leak repair)
Revised Required Parts and Tools (Added parts for case leak repair)
1
11/30/2011
Original publication
Customer may report that there is oil leaking under the vehicle.
Technical Background
There are a number of possible sources for the leak, including:
© 2013 Audi of America, Inc.
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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
• Leaking from the oil pan seal (Figure 1).
Figure 1. Leak on the oil pan seal (red arrows).
• Crack in the oil pan (Figure 2).
Figure 2. Crack in the oil pan.
• Leak between gearbox housing and intermediate
housing (Figure 3).
Tip: The source of the leak may be confused with oring of drain plug.
Figure 3. Leak between gearbox housing and
intermediate housing.
© 2013 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
Production Solution
Not applicable.
Service
1. Locate the leak by first thoroughly
cleaning and drying the stained area.
Then, apply talcum spray (or similar)
to the area that was stained with oil
(Figure 4).
Figure 4. Leak located with Talcum spray.
2. Warm up the vehicle (test drive) and re-check for leaks.
3. If the leak is around the oil pan, remove the oil pan and check the gasket for imperfections or damage. If the oil
pan is undamaged, only replace the oil pan seal.
© 2013 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
4. If the oil pan is damaged (Figure 5), check the
mechatronics for loose bolts (Figure 6). Replace
any loose bolts and torque according to the repair
manual instructions. Also, replace the pan and
seal.
Figure 5. Damaged oil sump because of loose bolts.
Figure 6. Loose bolts in the mechatronics.
5. If pan is cracked as in Figure 2, and no loose bolts on the mechatronics unit are found, replace oil pan and
seal.
6. If there is a leak between gearbox housing and intermediate housing as in Figure 3, reseal the case by
following instructions in ELSA >> Repair manual >>Transmission >>S Tronic Transmission Internal
Components >>35 Gears, Shafts >>Removal and Installation >> Sensor Module with Transmission Input Speed
Sensor -G612-, -G632-, -G676- and Circuit Board 3.
© 2013 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
Note: These instructions require transmission case disassembly. Audi Academy course # 950224 is
required viewing before attempting repair service. Complete the course and the assessment # 950224B before
attempting repair or warranty claim may be denied. The course and assessment can be found on the Audi
Academy CRC site.
Tip: Use caution when lifting or
lowering intermediate housing to avoid
damage to components (Figure 7).
Figure 7. Caution points: drip tray Sensor module connector.
7. Assemble according to the repair manual and check/correct the oil level.
Warranty
Claim Type:
Use applicable claim type. If vehicle is outside any warranty, this Technical
Service Bulletin is informational only.
Service Number:
3435
Damage Code:
0050
Labor Operations:
Leaking around pan:
Inspect pan and gasket
for damage
3460 1999
10 TU
Pan gasket faulty no pan damage:
Remove and install oil
pan replace gasket.
© 2013 Audi of America, Inc.
3460 1900
160 TU
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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
Pan damaged:
Check mechatronics
bolts, replace bolts and
re-torque if needed.
3511 1999
30 TU
Remove and replace oil
pan with new gasket
3460 1900
160 TU
3435 19xx
See ELSA for appropriate
TUs.
Case leaking:
Remove and install
gearbox
Diagnostic Time:
Reseal transmission case 3512 1950
leak
570 TU
Clean off oil and
determine leak origin;
includes one test drive.
3435 9999
90 TU
GFF to perform basic
setting and adaptation
after sensor
replacement only
0150 0000
Time stated
on diagnostic
protocol (Max
100 TU)
Road test prior to service
procedure
No allowance
0 TU
Road test after service
procedure
0121 0004
10 TU
Technical diagnosis at dealer’s discretion
(Refer to Section 2.2.1.2 and Audi Warranty Online for DADP allowance details)
Claim Comment:
As per TSB 2028085/3
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.
© 2013 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
Required Parts and Tools
Part Number
Part Description
Quantity
0B5321361C
Transmission pan (only if cracked/damaged)
1
0B5321371E
Gasket for transmission pan
1
N 10405702
Bolts for Mechatronics unit
6
G052529A2
Dual clutch gearbox oil (ATF)
Up to 7.5 Liters
Parts needed for case leak reseal ( in addition to above)
G052513A2
Final Drive oil (MTF)
5.0 Liters
0B5927321F
Module
1
0B5321391A
Harness
1
AMV18800102
Sealing paste
1
0B5301515H
Pump with seals
1
WHT001955
Bolt
1
WHT002459
Bolt
28
WHT001958B
Bolt
2
0B5301227C
Seal kit
1
0B5323525B
O-ring
1
0B5311113F
Seal
1
0B5315105TC
Oil pipe with seals
1
0B5315105TA
Oil pipe with seals
1
0B5325571
Sleeve with seals
1
0B5311944B
Seal
4
0B5321473
Oil pipe
1
WHT003380
Seal
1
WHT003379
Seal
1
0B5301311E
Oil drip tray (Replace if broken)
1
© 2013 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
Additional Information
All parts and service references provided in this TSB are subject to change and/or removal. Always check with
your Parts Department and service manuals for the latest information.
©2013 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.
© 2013 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.