A1924522065040_4
Service Bulletin Details
Public Details for: A1924522065040_4
This bulletin provides information when the coolant warning light is on or when the coolant pump is replaced due to a coolant leak.
Models from 2021
2021 AUDI A8 |
2021 AUDI RS Q8 |
2021 AUDI RS6 AVANT |
2021 AUDI RS7 |
2021 AUDI S8 |
2021 AUDI SQ7 |
2021 AUDI SQ8 |
Models from 2019
2019 AUDI A8 |
Technical Service Bulletin 19 Coolant warning light on OR Coolant pump replaced due to a coolant leak - 4.0 TFSI 19 24 52 2065040/4 February 19, 2024. Supersedes Technical Service Bulletin Group 19 number 24-48 dated January 30, 2024 for reasons listed below. Model(s) A8 Year VIN Range 2019 – 2020 All 2021 000000 – 012394 2020 All 2021 000000 – 012194 2020 All 2021 000000 – 019694 2020 All 2021 000000 – 022938 2021 900000 – 905988 S8 SQ7, and SQ8 RS Q8 RS 6, and RS S7 Vehicle-Specific Equipment 4.0L engine Condition REVISION HISTORY Revision Date Purpose 4 - Revised Service (Added note) 3 01/23/2024 Revised header (added models) Revised Warranty (added table) 2 08/31/2022 Revised title (Added additional concern condition) Customer states: • There is a coolant warning in the instrument cluster or vehicle overheating. OR • Vehicle loses coolant. Workshop findings: • The coolant pump is identified as cause of coolant leak. Technical Background © 2024 Audi of America, Inc. Internal Page 1 of 4 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 Not applicable. Production Solution Not applicable. Service If the mechanical coolant pump is replaced, the following must be observed: When performing work on the cooling system which requires the mechanical coolant pump to be replaced, it must be ensured that there is no coolant residue or fluid in the control line (Figure 1, position 1.) If there is, switch valve N649 must also be replaced in addition to the coolant pump and the control line must be cleaned/dried. © 2024 Audi of America, Inc. Internal Page 2 of 4 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 Figure 1. Mechanical coolant pump. • Position 1 – control line. • Position 2 – switch valve for mechanical coolant pump N649. • Position 3 – mechanical coolant pump. If coolant can be detected beyond the N649 switch valve, replace any components connected to the vacuum system that show signs of coolant ingress. © 2024 Audi of America, Inc. Internal Page 3 of 4 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 Claim Type: • 110 Up to 48 Months/50,000 Miles. • G10 for CPO Covered Vehicles – Verify Owner. • If the vehicle is outside of any warranty, this Technical Service Bulletin is informational only. Service Number: 1950 Damage Code: 0050 Labor Operations: Remove and install coolant pump 1950 19XX See SRT with associated operations Remove and install switch valve N649, clean/ dry vacuum line 1985 1999 20 TU GFF No allowance 0 TU Road test prior to the service procedure No allowance 0 TU Road test after the service procedure No allowance 0 TU Diagnostic Time: Claim Comment: As per TSB 2065040/4 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 and workshop manual. Additional Information All part and service references provided in this TSB (2065040) 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. ©2024 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 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. © 2024 Audi of America, Inc. Internal Page 4 of 4 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.