A1920092043770_3
Service Bulletin Details
Public Details for: A1920092043770_3
This technical service bulletin explains how to replace the coolant thermostat.
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19 MIL on (coolant temperature gauge does not work), DTC P218100 is stored in the ECM 19 20 09 2043770/3 October 16, 2020. Supersedes Technical Service Bulletin Group 19 number 16-70 dated April 11, 2016 for reasons listed below. Model(s) Year VIN Range Vehicle-Specific Equipment R8 2007 - 2015 All Not Applicable Condition REVISION HISTORY Revision Date Purpose 3 - Revised title Revised Condition (Added statement) 2 04/11/2016 Revised Warranty (Updated labor operations) 1 03/31/2016 Initial publication Customer states: One or more of the following conditions may be present: MIL on. The coolant temperature gauge does not work. The vehicle does not reach operating temperature. The vehicle overheats sometimes. The cooling fan runs constantly. Workshop findings: The following DTC may be stored in the engine control module (ECM), J623 (address word 0001): DTC P218100 (Cooling system performance). Technical Background The coolant thermostat does not work. Production Solution Page 1 of 6 © 2020 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. Improved thermostats. Service Tip: It is not necessary to receive a Repair Authorization to perform this or any other R8 TSB. Use the following instructions to replace the coolant thermostat with repair kit 079 198 121: 1. Remove the coolant thermostat housing according to the instructions in Elsa. 2. Note the position of the thermostat element within the housing. Remove the thermostat element by removing the three Allen screws (Figure 1). Figure 1. Remove the three Allen screws (red arrows) to remove the thermostat. Page 2 of 6 © 2020 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. 3. Take the seal out of the thermostat housing and replace it with the new seal (Figure 2). Figure 2. Thermostat housing seal (red arrow). 4. Ensure that the insulation sleeve is fitted on the underside of the thermostat element (Figure 3). Before fitting the insulation sleeve and O-ring, lightly coat them with coolant. Figure 3. Insulation sleeve. Page 3 of 6 © 2020 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. 5. Insert the new thermostat element (including insulation sleeve) into the housing (Figure 4). Figure 4. A new thermostat was installed. 6. Secure the thermostat element with the three new Allen screws. Use special tool VAG 1624 or VAS6494, or equivalent torque wrench (Figure 5). Tighten to 2 Nm (+1 / -0 Nm). Figure 5. Torque wrench. 7. Reinstall the thermostat housing (with new O-ring 079 121 119 C) according to the instructions in Elsa. 8. Fill the cooling system according to the instructions in Elsa. Do not reuse used coolant. Warranty Claim Type: Use applicable claim types. If the vehicle is outside any warranty, this Technical Service Bulletin is informational only. Service Number: 1958 Damage Code: 0016 Labor Operations: For V8 engines: Page 4 of 6 © 2020 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. Thermostat remove + reinstall 1958 1969 See SRT with associated operations Thermostat housing remove + reinstall 1955 1919 See SRT with associated operations Install thermostat repair kit 1958 9999 See SRT with associated operations Thermostat remove + reinstall 1958 1973 See SRT with associated operations Thermostat housing remove + reinstall 1955 1923 See SRT with associated operations Install thermostat repair kit 1958 9999 See SRT with associated operations GFF – Checking and clearing fault codes 0150 0000 10 TU Road test prior to service procedure No allowance 0 TU Road test after service procedure 0121 0004 10 TU For V10 engines: Diagnostic Time: Claim Comment: As per TSB #2043770/3 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. Required Parts and Tools Always check with your Parts Department and/or ETKA for the latest information and parts bulletins. Part Number Part Description Quantity 079198121 Repair kit thermostat 01 079121119C Thermostat housing O-ring gasket 01 Page 5 of 6 © 2020 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. G 013A8J1G Coolant additive 03 See ETKA Fasteners, Bolts, Nuts, and Screws as needed per the Repair Manual See ETKA/ELSA Tool Number Tool Description VAS 6096 Cooling system charging unit VAG 1274/8 Adapter T10007 A Refractometer VAG 1624 or VAS6494 or equivalent Torque wrench (0 Nm to 5 Nm) Additional Information All parts and service references provided in this TSB (2043770) are subject to change and/or removal. ©2020 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. Page 6 of 6 © 2020 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.