A642285202055211

Technical Service Bulletin
64 Exterior glass cleaning
64 22 85 2020552/11 July 5, 2022. Supersedes Technical Service Bulletin Group 64 number 21-80 dated May 6, 2021,
for reasons listed below.
Model(s)
Year
VIN Range
Vehicle-Specific Equipment
All Audi Models
2010 – 2023
All
Not Applicable
Condition
REVISION HISTORY
Revision
Date
Purpose
11
-
Revised header (Added model
years)
10
05/06/2021
Revised header (Added model
years and new models)
9
05/08/2020
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.
Page 1 of 6
© 2022 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
Production Solution
Not applicable.
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
Figure 2. Cleaning wiper blades.
the 3M™ Glass
Page 2 of 6
© 2022 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
Polishing Compound
to clean the wiper
blades.
4. Shake bottle of 3M™
Glass Polishing
Compound (Figure 3)
to mix product
evenly.
Figure 3. 3M™ Glass Polishing Compound.
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.
Page 3 of 6
© 2022 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
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.
7.
Allow drying time until a fine film layer (haze) forms.
Page 4 of 6
© 2022 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
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.
Page 5 of 6
© 2022 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
Warranty
This TSB is informational only and not applicable to any 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
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.
©2022 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
© 2022 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.