SB-2028574/2

Technical Service Bulletin
19 A8 4.2 FSI - Coolant leak in Engine compartment
19 13 34 2028574/2 February 5, 2013. Supersedes Technical Service Bulletin Group 19 number 12-29 dated
February 7, 2012 for reasons listed below.
Model(s)
Year
VIN Range
Vehicle-Specific Equipment
A8 (D4) 4.2 FSI
2011
000001 - 999999
CDRA Engine Code
A8 (D4) 4.2 FSI
2012
000001 - 012090
CDRA Engine Code
Condition
REVISION HISTORY
Revision
Date
Purpose
2
-
Revised Warranty (corrected error in Labor Operations code)
1
1/26/2012
Original publication
• Coolant level warning light on.
• Coolant loss in the engine compartment.
• Smell of evaporated coolant from engine compartment.
Technical Background
The possible cause is a leak on the tee connector hose located in the coolant pipe between alternator, coolant
pipe, and oil cooler.
Production Solution
Optimized parts fitted in production.
© 2013 Audi of America, Inc.
Page 1 of 3
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
Service
Pressurize cooling system. Check the tee
connector hose (part number 079121448) in the
coolant circuit for leaks, and replace if
necessary.
Figure 1. Connector hose (7).
Warranty
Claim Type:
Use applicable claim type. If vehicle is outside any warranty, this Technical Service Bulletin
is informational only.
Service Number:
1962
Damage Code:
0050
Labor Operations:
Pressure test and check tee connector hose
visually for leak
1962 1950
20 TU
Replace coolant hose
1962 5599
190 TU
GFF
No allowance
0 TU
Road test prior to service procedure
No allowance
0 TU
Road test after service procedure
No allowance
0 TU
Diagnostic Time:
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 #2028574/2
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.
Page 2 of 3
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
079121448
Coolant hose
1
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.
Page 3 of 3
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.