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Service bulletin A4321502059564_2

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 id10198653
Published by NHTSA2021-07-02
Manufacturer's numberA4321502059564_2
Manufacturer's date2021-06-30
NHTSA componentSUSPENSION:FRONT:SHOCK ABSORBER; EQUIPMENT; SUSPENSION:REAR:SHOCK ABSORBER

NHTSA's summary

This bulletin contains instructions for noises on uneven roads using chassis ears or the PICO tool.

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

Equipment and accessories, Suspension, Shocks and struts

Vehicles listed
AUDI RS 52019
AUDI RS 52021, 2022
AUDI RS 6 AVANT2021, 2022
AUDI RS 72014, 2015, 2016, 2017, 2018
AUDI RS 72021, 2022
AUDI RS62011 to 2018
AUDI RS62020
AUDI RS72012 to 2013
AUDI RS72020

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
401441201819462024-03-04. Service bulletin. Shock absorber leaks: assessment aid
A4323702070154_12023-06-06. Service bulletin. This bulletin states that the shock absorbers in the RS 5 should a part number index.
A4022322059474_32022-02-04. Service bulletin. This bulletin contains instructions for correcting buffer stop noise (rumbling or squeaking from the front end).
A4020132059474_22020-08-06. Service bulletin. This bulletin contains instructions for correcting buffer stop noise (rumbling or squeaking from the front end).
A431728 2049664-2018-04-16. Service bulletin. This bulletin contains repair information for when the warning lamp is on for shock absorber regulation with a DTC stored.
A431727 2049664-2018-04-16. Service bulletin. This bulletin contains repair information for when the warning lamp is on for shock absorber regulation with a DTC stored.
A401549 2018194-2017-11-17. Service bulletin. Supersedes Technical Service Bulletin Group 40 number 14-41 dated July 2, 2014. Oil appears on one or several shock absorbers. Oil may appear on a shock absorber As a result of a leak because the shock absorber is damaged. Oil may appear on a shock absorber As a result of residue from when the shock was filled during production, or as a result of slight condensation in the seal area. This small amount of oil is for lubrication and it reduces wear on the seal.
02-008-17-3354b2017-10-21. Service bulletin. Some vehicles may experience a knocking noise from the front and/or rear shock absorbers when driving over rough roads or speed bumps. The noise may be caused by damage to the inner seal of shock absorber, resulting in fluid seepage. To eliminate this concern, modified parts with improved oil sealing performance have been established as service parts.
ATU 8/20162017-06-15. Service bulletin. RUNNING GEAR: AUDI MAGNETIC RIDE - KNOCKING NOISES FROM REAR SHOCKS ON S3 (8V) AND TTS (FV)