A1919992052657_3

19 Water pump/thermostat housing revised repair procedure
19 19 99 2052657/3 October 16, 2019. Supersedes Technical Service Bulletin Group 19 number 18-96 dated
November 21, 2018 for reasons listed below.
Model(s)
Year
VIN Range
Vehicle-Specific Equipment
All
2013 - 2019
All
EA888 Evo2 Engine
All
2015 - 2019
All
EA888 Gen3 Engine
Condition
REVISION HISTORY
Revision
Date
Purpose
3
-
Revised Warranty (Added Claim information)
2
11/21/2018
Revised header (Added models)
1
10/24/2018
Initial publication
Customer states:
 Low coolant light on.
 Coolant leak under vehicle.
Workshop findings:
 An aluminum water pump is installed.
Technical Background
Recently, the water pump seals have been made available for purchase separately. Previously, it was only
available with the water pump.
Production Solution
Not applicable.
Page 1 of 4
© 2019 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
The water pump should only be
replaced if there is a leak from the
control/weep hole (Figure 1). All other
replacements are unauthorized i.e.
combination replacement with the
thermostat housing.
Figure 1. Control/weep hole leak.
Note:
Do not replace the thermostat housing
and the water pump at the same time.
Regardless of which part is replaced,
the seal must be replaced as well
(Figure 2 and 3).
Figure 2. Water pump replacement required parts.
Page 2 of 4
© 2019 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.
Figure 3. Thermostat housing replacement required parts.
Note:
In the case of a combination repair is required due to leak in the water pump and thermostat housing,
a photograph of both leaks is required to be attached to the repair order. All undocumented combination
replacements are subject to claim review.
Warranty
In case of leaks on the coolant thermostat housing, use the following accounting numbers:
 Service number/damage code: 1955/0050.
In case of leaks on the coolant pump, use the following accounting numbers:
 Service number/damage code: 1950/0050.
This TSB is informational only and not applicable to any Audi Warranty.
Additional Information
All part and service references provided in this TSB (2052657) are subject to change and/or removal. Always
check with your Parts Department and/or ETKA for the latest information and parts bulletins. Please check the
Repair Manual for fasteners, bolts, nuts, and screws that require replacement during the repair.
©2019 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
Page 3 of 4
© 2019 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.
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 4 of 4
© 2019 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.