A4021292047758_7
Service Bulletin Details
Public Details for: A4021292047758_7
This bulletin contains instructions for proper lubrication of the shock absorber to prevent cracking noises or spring jumps when steering.
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Technical Service Bulletin 40 Front shock absorber cap, cracking noises/spring jumps when steering or when maneuvering 40 21 29 2047758/7 December 14, 2021. Supersedes Technical Service Bulletin Group 40 number 20-20 dated November 24, 2020 for reasons listed below. Model(s) Year VIN Range Vehicle-Specific Equipment A3, S3 2015 - 2023 All Drive select and magnetic shock absorbers Condition REVISION HISTORY Revision Date Purpose 7 - Revised title Revised header (Added Model Years) 6 11/25/2020 Revised header (Added Model Years) 5 06/26/2020 Revised header (Added Model Years) Customer states: Cracking noises/spring jumps when steering or when maneuvering. The noise can be reproduced when at least two people are in the vehicle and the steering wheel is turned just before the right/left stop. Technical Background The buffer stop for the shock absorber (Figure 1, 1) can cause noises if it touches the front shock absorber cap (Figure 1, 2). Production Solution Not applicable. Page 1 of 3 © 2021 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. Technical Service Bulletin Service Lightly lubricate the contact surface (red dotted line) between buffer stop for shock absorber (Figure 1, 1) and front shock absorber cap (Figure 1, 2) with 5 grams of silicon grease G 000 405 A2 per side. Figure 1. Shock absorber and buffer stop. Tip: Check the protective sleeve of the front shock absorber for correct fit, they should turn easily in the axial deep-groove ball bearing/sleeve bearing. Warranty Claim Type: 110 up to 48 Months/50,000 Miles. If the vehicle is outside any warranty, this Technical Service Bulletin is informational only. Service Number: 4098 Damage Code: 0020 Labor Operations: Lubricate both front rubber stops 4098 5099 30 TU Page 2 of 3 © 2021 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. Technical Service Bulletin Diagnostic Time: GFF No allowance 0 TU Road test prior to service procedure 0121 0002 10 TU Road test after service procedure 0121 0004 10 TU As per TSB #2047758/7 Claim Comment: 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 G 000405A2 Grease 01 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 (2047758) are subject to change and/or removal. ©2021 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 3 of 3 © 2021 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.