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Service bulletin A391820 2043144_

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 id10133300
Published by NHTSA2018-04-16
Manufacturer's numberA391820 2043144_
Manufacturer's date2018-02-26
NHTSA componentSUSPENSION:MULTIPLE AXLE

NHTSA's summary

This technical service bulletin provides repair instructions for the all-wheel drive coupling.

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

Suspension

Vehicles listed
AUDI A3 CABRIOLET2015 to 2016
AUDI Q32015, 2016
AUDI TT ROADSTER2013 to 2016

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_2023187_82026-04-07. Service bulletin. This bulletin provides informaiotn regarding squeaking noises when steering or maneuvering.
TSB_2076604_22025-10-03. Service bulletin. This bulletin provides information on locating noises coming from the suspension.
TSB_2018194_122025-04-04. Service bulletin. This bulletin serves as an assessment aid for shock absorber leaks.
A4025922076604_12025-02-05. Service bulletin. This TSB provides informaiton about locating noises coming from suspension.
A4025902018194_112025-02-05. Service bulletin. This bulletin is an assessment aid for shock absorber leaks.
A3725312074822_22025-02-05. Service bulletin. This bulletin provides information when noises from wheel input shaft/drive shaft are reported.
441342202256372024-03-04. Service bulletin. Steering wheel shimmy, vibration and/or oscillation
401441201819462024-03-04. Service bulletin. Shock absorber leaks: assessment aid
A4222482038689_62022-04-05. Service bulletin. This bulletin contains information on how to fix a clunking or rattling noise heard from the rear suspension when the vehicle is driven over bumps.
A4022342018194102022-04-05. Service bulletin. This informational bulletin contains knowledge on why oil may appear on one or several of the shock absorbers.