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64 Exterior Glass Cleaning (GROUP 64, NO. 24-02)

WARNING: This page is about the A4 Quattro Premium, 2.0L Eng VIN A, which is a different variant/trim than selected.
Publication date: 2024-11-22
Reference number: GROUP 64, NO. 24-02
Supersedes refnos: 2020552, 2020552/1, 2020552/10, 2020552/11, 2020552/12, 2020552/13, 2020552/2, 2020552/3, 2020552/4, 2020552/5, 2020552/6, 2020552/7, 2020552/8, 2020552/9, GROUP 64, NO. 18-59, GROUP 64, NO. 20-74, GROUP 64, NO. 21-80, GROUP 64, NO. 22-85, GROUP 64, NO. 23-92

64 EXTERIOR GLASS CLEANING

64 EXTERIOR GLASS CLEANING

TECHNICAL SERVICE BULLETIN

Reference Number(s): GROUP 64, NO. 24-02 (2020552/13), Date of Issue:  November 22, 2024
AUDI: 2015-2025 All Audi Vehicles
GROUP: 64 - Glass, Window Regulators
Superceded Bulletin(s): GROUP 64, NO. 23-92, Date of Issue:  July 19, 2023

SERVICE INFORMATION

64 24 02 2020552/13 November 22, 2024. Supersedes Technical Service Bulletin Group 64 number 23-92 dated July 19, 2023, for reasons listed below.

APPLICABLE MODELS AND YEARS

Model(s) Year VIN Range Vehicle-Specific Equipment
All Audi Vehicles 2015 - 2025 All Not Applicable

CONDITION

REVISION HISTORY

Revision Date Purpose
13 - Revised header (Remove MY 2010 - 2014 vehicles, Added model year 2025, refine model codes)
12 07/20/2023 Revised header (Added model year 2024)
11 07/05/2022 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.

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).
    G16799718
  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. 

    G16799719
  4. Shake bottle of 3M™ Glass Polishing Compound (Figure 3) to mix product evenly.
    G16799720
  5. Apply cleaner directly to the outside of the windshield on both driver and passenger sides (Figure 4).
    G16799721
  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.

    G16799722
    G16799723
  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).
    G16799724
  9. With a clean, dry microfiber cloth, dry and buff glass to a clean shine (Figure 8).
    G16799725
  10. With warm water, wet and wring 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

Always check with your Parts Department and/or ETKA for the latest information and parts bulletins.

PARTS INFORMATION

Part Number Part Description Quantity
60150 3M™ Glass Polishing Compound
(Please order through Audi Top Service Supplies & Touch Up Paint eStore)
01
39016 3M™ Microfiber Detail Cloth - Yellow
(Please order through Audi Top Service Supplies & Touch Up Paint eStore)
01

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.

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