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Service bulletin A471405 2030704-

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 id10125555
Published by NHTSA2017-12-14
Manufacturer's numberA471405 2030704-
Manufacturer's date2014-02-20
NHTSA componentSERVICE BRAKES

NHTSA's summary

Supersedes Technical Service Bulletin Group 47 number 12-04 dated September 5, 2012. Rattling noises are heard from the front axle when the vehicle is driven over bumpy or rough roads. Poor quality of some retaining springs causes this condition. Functionality of the brakes is not affected.

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

Brakes

Vehicles listed
AUDI A4 ALLROAD2013
AUDI A4 AVANT2012
AUDI A52012, 2013
AUDI A5 CABRIOLET2012 to 2013
AUDI A62012, 2013
AUDI Q52012
AUDI S42012, 2013
AUDI S52012, 2013
AUDI S5 CABRIOLET2012 to 2013

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_2075120_32026-09-04. Service bulletin. This bulletin provides information about the general approach for brake vibration concerns.
TSB_2072304_42026-09-04. Service bulletin. This bulletin provides information when there is an ABS/ESC speed sensor implausible signal.
TSB_2069904_32026-09-04. Service bulletin. This bulletin provides information for all models regarding brake sounds.
TSB_2069078_42026-09-04. Service bulletin. This bulletin provides information on the zirconium insercts in the brake piston (ceramic brakes only).
TSB_2069904_22025-11-08. Service bulletin. This bulletin provides information for all models regarding brake sounds.
TSB_2075120_22025-11-08. Service bulletin. This bulletin provides information regarding the general approach for all Audi vehicles regarding brake vibrations.
TSB_2072304_32025-11-08. Service bulletin. This bulletin provides information when there is an ABS/ESC speed sensor implausible signal.
TSB_2069078_32025-11-08. Service bulletin. This bulletin provides information on the zirconium insercts in the brake piston (ceramic brakes only).
A4624592069078_22024-10-28. Service bulletin. This bulletin provides informaion regarding zirconium inserts in the bake piston for vehicle equipped with ceramic brakes.
A4524492075120_12024-10-28. Service bulletin. This bulletin provides information regarding the general approach to brakes rubbing.