A6420742020552_9
Service Bulletin Details
Public Details for: A6420742020552_9
This bulletin provides instructions on how to clean exterior glass.
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64 Exterior glass cleaning 64 20 74 2020552/9 May 8, 2020. Supersedes Technical Service Bulletin Group 64 number 18-59 dated August 6, 2018 for reasons listed below. Model(s) Year VIN Range Vehicle-Specific Equipment All 2010 - 2021 All Not Applicable Condition REVISION HISTORY Revision Date Purpose 9 - Revised header (Added model years) 8 08/06/2018 Revised header (Added model years) Revised Required Parts and Tools (Change to product numbers) 7 04/28/2017 Revised header (Added model years) Customer states: The windshield is streaked, has a snakeskin appearance, or its surface feels rough. Technical Background Residue from industrial fallout as well as normal road dirt and grime may accumulate on the windshield. Production Solution Not applicable. Page 1 of 5 © 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 Tip: This procedure must be performed and verified before a wiper blade replacement. All Warranty claims will be rejected for wiper blade replacement if a defect is not found. 1. Wash and dry all affected exterior glass surfaces. 2. Place wipers in the service position (Figure 1). Figure 1. Windshield wipers in the service position. 3. Using household glass cleaner (such as Windex® or 3M™ Glass Cleaner), clean residue from wiper blades (Figure 2). Tip: Do not use the 3M™ Glass Polishing Compound to clean the wiper blades. Figure 2. Cleaning wiper blades. 4. Shake bottle of 3M™ Glass Polishing Compound (Figure 3) to mix product evenly. Figure 3. 3M™ Glass Polishing Compound. Page 2 of 5 © 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. Apply cleaner directly to the outside of the windshield on both driver and passenger sides (Figure 4). Figure 4. Cleaner applied to the windshield. 6. Use a clean, dry microfiber cloth (such as 3M™ Microfiber Detail Cloth - Yellow) (Figure 5) to vigorously clean windshield with long, horizontal strokes (Figure 6). Try to avoid applying the product to the window trim. Figure 5. Detailing cloths. Figure 6. Using horizontal strokes to clean the windshield. Page 3 of 5 © 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. 7. Allow drying time until a fine film layer (haze) forms. Tip: Drying time is based on ambient temperatures. Temperatures of 60°F (15°C) or lower can extend drying time. 8. Use a garden hose to rinse the windshield. Also, rinse any product that was inadvertently applied to the trim (Figure 7). Figure 7. Rinsing the windshield. 9. With a clean, dry microfiber cloth, dry and buff glass to a clean shine (Figure 8). Figure 8. Drying the windshield. 10. With warm water, wet and ring out microfiber cloth. Wipe off any residue that made contact with trim or rubber. Warranty This TSB is informational only and not applicable to any Audi Warranty. Page 4 of 5 © 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. 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 60150 3MTM Glass Polishing Compound 01 (Please order through Audi Top Service Supplies & Touch Up Paint eStore) 39016 3MTM Microfiber Detail Cloth – Yellow 01 (Please order through Audi Top Service Supplies & Touch Up Paint eStore) Additional Information All parts and service references provided in this TSB (2020552) are subject to change and/or removal. Please check the Repair Manual for fasteners, bolts, nuts, and screws that require replacement during the repair. ©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 5 of 5 © 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.