A3420492052421_3
Service Bulletin Details
Public Details for: A3420492052421_3
This bulletin contains instructions for checking transmission leaks at the rear of the vehicle.
- 2019 - 2018 - 2017 - 2016 - 2015 - 2014 - 2013 -
Models from 2019
2019 AUDI R8 |
Models from 2018
2018 AUDI R8 |
Models from 2017
2017 AUDI R8 |
Models from 2016
2016 AUDI R8 |
Models from 2015
2015 AUDI R8 |
Models from 2014
2014 AUDI R8 |
Models from 2013
2013 AUDI R8 |
34 Transmission oil leak from the case seam 34 20 49 2052421/3 November 13, 2020. Supersedes Technical Service Bulletin Group 34 number 19-42 dated November 21, 2019 for reasons listed below. Model(s) Year VIN Range Vehicle-Specific Equipment R8 2013 - 2019 All With S-tronic transmission Condition REVISION HISTORY Revision Date Purpose 3 - Revised header (Added missing model) 2 11/21/2019 Revised header (Added missing model) Revised Warranty (Updated Claim Types and Labor Operations) 1 09/18/2018 Initial publication Customer states: Oil leak from rear of the vehicle. Workshop findings: Transmission oil leaking from case seam at the front of the intermediate housing. Or One or several steel bolts of the seam at the front of the intermediate housing are loose. Technical Background Deviation of tightening torque of case seam bolts. Production Solution Improved installation procedure. 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. Service Check and record the transmission build date for your records or possible Audi Technical Assistance Center contact. The build date is located on the top of the transmission bellhousing on the passenger side (Figure 1). The date is stamped into the bellhousing in Day-Month-Year format. Figure 1. Example of a gearbox production date. 1. Clean the transmission thoroughly with brake clean (or another degreasing solvent) and make sure the transmission and case seams are completely dry before proceeding. 2. Apply oil leak detection spray (part number G 001 900 A1 or a locally available talcum based oil leak detection spray equivalent) to the suspected leak area, case seams, drain plugs, mechatronics cover, or any other areas suspected of leaking. 3. Test drive the vehicle and reassess the oil leak after the test drive. 4. Take clear pictures of the leak location for your records or a possible Audi Technical Assistance Center contact (Figure 2). 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. Figure 2. Oil leak example. 5. If the oil leak is from the seam at the front of the intermediate housing shown in Figure 2 proceed to step 7 in this TSB. 6. If the oil leak is not from the location shown in Figure 2 this TSB does not apply and you should complete your diagnosis outside of this bulletin. Take clear pictures of the leak location and open an Audi Technical Assistance Center contact. Attach the pictures of the oil leak to technical inquiry and contact the Audi Technical Assistance Center. 7. Check the seven steel bolts (Figure 3) for a torque of 25 Nm. The seven bolts have a hex head with an internal polygon socket (triple square). If one or several bolts do not have the specified torque (25 Nm), document which bolts (1 through 7) were not tightened correctly. 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. Figure 3. Bolt locations. 8. Replace the incorrectly tightened bolts individually with a torque of 20Nm + 90°. Do not replace any bolts that were not loose. Note: Never remove two or more bolts at the same time. 9. Check and adjust the transmission oil level according to the Repair Manual. 10. Clean off any residual oil and apply oil leak detection spray to the case seam again. 11. Test drive the vehicle and recheck for leaks. If there are no more leaks the repair is complete. 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. 12. If there is still a leak from the case seam, open an Audi Technical Assistance Center contact. Attach the pictures of the oil leak to the technical inquiry. Enter the transmission build date into the inquiry and contact the Audi Technical Assistance Center for further directions. Warranty Claim Type: 110 up to 48 Months/50,000 Miles. G10 for CPO Covered Vehicles – Verify Owner. If the vehicle is outside any warranty, this Technical Service Bulletin is informational only. Service Number: 3435 Damage Code: 0050 Labor Operations: Model Years 2013 to 2015 (Model Code 42): Noise dampening pan remove + reinstall 1082 1900 See SRT with associated operations 1082 1902 See SRT with associated operations 1082 2001 See SRT with associated operations Check gearbox housing for leaks (incl. photos) 3435 2999 40 TU Replace and properly tighten bolts (As needed) 3435 5199 30 TU Transmission oil inspect + add 3401 3550 See SRT with associated operations GFF No allowance 0 TU Road test prior to service procedure 0121 0002 10 TU (Coupe and Spyder) Model Years 2016 to 2018 (Model Code 4S): Noise dampening pan remove + reinstall (Coupe only) Noise dampening pan remove + reinstall (Spyder only) All Model Years: Diagnostic Time: 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. Road test after service procedure Claim Comment: 0121 0004 10 TU As per TSB #2052421/3 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 G052529A2 Dual Clutch gearbox oil As needed for level correction N 91145501 Bolt, Steel Hexagon with Polygon socket Required quantity according to the result of diagnosis G001900A1 Oil leak detection spray (or equivalent) Shop Supply See ETKA Fasteners, Bolts, Nuts, and Screws as needed per the Repair Manual See ETKA/ELSA Additional Information All parts and service references provided in this TSB (2052421) 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.