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Service bulletin A6420732046397_4

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10174958
Published by NHTSA2020-06-04
Manufacturer's numberA6420732046397_4
Manufacturer's date2020-05-05
NHTSA componentVISIBILITY

NHTSA's summary

This bulletin provides repair information for a creaking in the front and rear windshield.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Glass, wipers and mirrors

Vehicles listed
AUDI A42017, 2018
AUDI A52017, 2018

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
TSB_2020552_152026-10-05. Service bulletin. This bulletin provides service information regarding exterior glass cleaning.
TSB_20741717_152026-09-04. Service bulletin. This bulletin provides information on the GFF test plan required for AC compressor replacements regardless of the concern.
TSB_2041717_142025-10-03. Service bulletin. This bujlletin provides information regarding the GFF test plan required for A/C compressor replacements regardless of the concern.
TSB_2041717_132025-04-04. Service bulletin. This bulletin provides information regarding the GFF test plan required for A/C compressr replaements regardless of the concern.
A8224002041717_102024-08-06. Service bulletin. This bulletin provides informatin for the GFF test plan that is requied for AC compressor replacements.
A8724702064077_42024-04-04. Service bulletin. This TSB describes a method for leak detection for R134A and R1234yf refrigerant platforms only.
A7024892044417_12024-04-04. Service bulletin. This bulletin provides information when there are noises from the headliner/sunroof area.
A6424972062618_42024-02-06. Service bulletin. This bulletin provides information when the frameless window auto-drop function is inoperative in freezing weather.
A8723602064077_32023-11-06. Service bulletin. This TSB describes a method for leak detection for R134A and R1234yf refrigerant platforms only.
A8723572071619_12023-11-06. Service bulletin. This bulletin provides information for when the air conditioning does not cool.