64 Exterior glass cleaning
64 17 41 2020552/7 April 28, 2017. Supersedes Technical Service Bulletin Group 64 number 16-38 dated
September 15, 2016 for reasons listed below.
Model(s)

Year

VIN Range

Vehicle-Specific Equipment

All

2003 - 2020

All

Not Applicable

Condition
REVISION HISTORY
Revision

Date

Purpose

7

-

Revised header data (Added model years)

6

09/15/2016

Revised header data (Added model years)

5

09/23/2014

Revised header data (Added model year; added customer codes)

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 windshield.

Production Solution
Not applicable.

Service
Tip: This procedure must be performed and verified before a wiper blade replacement. All Warranty claims
will be rejected if a defect is not found.
1.

Wash and dry all affected exterior glass surfaces.

Page 1 of 6
© 2017 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.

2.

Place wipers in
service position
(Figure 1).

Figure 1. Windshield wipers in 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
3M™ Glass Polishing
Compound to clean
the wiper blades.

Figure 2. Cleaning wiper blades.

Page 2 of 6
© 2017 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.

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 outside of
windshield on both
driver and passenger
sides (Figure 4).

Figure 4. Cleaner applied to the windshield.

Page 3 of 6
© 2017 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.

6.

Use a clean, dry
microfiber cloth (such
as 3M™ Perfect-It™ III
Auto Detailing Cloth
Yellow) (Figure 5) to
vigorously clean
windshield with long,
horizontal strokes
(Figure 6).
Try to avoid applying
product to window
trim.

Figure 5. Detailing cloths.

Figure 6. Using horizontal strokes to clean the windshield.
7.

Allow to dry 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.

Page 4 of 6
© 2017 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.

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 5 of 6
© 2017 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
Part Number

Part Description

Quantity

3M61009

3MTM Glass Polishing Compound

1

(Please order through Service Supplies eStore. Sherwin
Williams Drop Ship Program)
3M06020

3MTM Perfect-ItTM III Auto Detailing Cloth Yellow

1

Additional Information
All parts and service references provided in this TSB (2020552) are subject to change and/or removal. Always
check with your Parts Department and service manuals for the latest information.
©2017 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
© 2017 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.