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Service bulletin A3420492052421_3

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 id10183426
Published by NHTSA2020-12-04
Manufacturer's numberA3420492052421_3
Manufacturer's date2020-11-13
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT

NHTSA's summary

This bulletin contains instructions for checking transmission leaks at the rear of the vehicle.

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

Transmission and driveline, Automatic transmission

Vehicles listed
AUDI R82013
AUDI R82014, 2015, 2016, 2017, 2018
AUDI R82019

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