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EXTERIOR GLASS CLEANING
TECHNICAL SERVICE BULLETIN
Reference Number(s): GROUP 64, NO. 14-36 (2020552/5), Date of Issue: September 23,
2014
Superceded Bulletin(s): GROUP 64, NO. 13-29, Date of Issue: August 14, 2013
64 14 36 2020552/5 September 23, 2014. Supersedes Technical Service Bulletin Group 64
number 13-29 dated August 14, 2013.
APPLICABLE MODELS AND YEARS
CONDITION
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.
2. Place wipers in service position (Figure 1).
AUDI: All Models 2003 - 2016
GROUP: 64 - Glass, Window Regulators
Model(s) Year VIN Range Vehicle-Specific Equipment
All 2003 - 2016 All Not Applicable
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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.
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4. Shake bottle of 3M? Glass Polishing Compound (Figure 3) to mix product evenly.
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5. Apply cleaner directly to outside of windshield on both driver and passenger sides
(Figure 4).
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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.
2014 Audi A4 Quattro
EXTERIOR GLASS CLEANING
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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.
8. Use a garden hose to rinse the windshield. Also rinse any product that was
inadvertently applied to the trim (Figure 7).
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9. With a clean, dry microfiber cloth, dry and buff glass to a clean shine (Figure
8).
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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.
REQUIRED PARTS AND TOOLS
PARTS INFORMATION
Part Number Part Description Quantity
3M61009 3M? Glass Polishing Compound
(Please order through Service Supplies
eStore. Sherwin Williams Drop Ship
Program)
1
3M06020 3M? Perfect-It? III Auto Detailing Cloth 1
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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.
Yellow
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