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Service bulletins for the 2018 Audi A6

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.

700 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Only bulletins with component: Suspension are shown. Show all

Bulletins, newest first
TSB_2023187_82026-04-07. Service bulletin. SUSPENSION. This bulletin provides informaiotn regarding squeaking noises when steering or maneuvering.
TSB_2076605_22025-10-03. Service bulletin. SUSPENSION. This TSB provides informaiton pertaining to noises from the guide link bush.
TSB_2076604_22025-10-03. Service bulletin. SUSPENSION. This bulletin provides information on locating noises coming from the suspension.
TSB_2018194_122025-04-04. Service bulletin. SUSPENSION. This bulletin serves as an assessment aid for shock absorber leaks.
A4025932076605_12025-02-05. Service bulletin. SUSPENSION. This TSB provides informaiton pertaining to noises from the guide link bush.
A4025922076604_12025-02-05. Service bulletin. SUSPENSION. This TSB provides informaiton about locating noises coming from suspension.
A4025902018194_112025-02-05. Service bulletin. SUSPENSION. This bulletin is an assessment aid for shock absorber leaks.
A3725312074822_22025-02-05. Service bulletin. SUSPENSION. This bulletin provides information when noises from wheel input shaft/drive shaft are reported.
A4324982075100_12024-10-28. Service bulletin. SUSPENSION. This bulletin provides information on repairs on the air spring strut of the frong axle; additional sealing.
441342202256372024-03-04. Service bulletin. SUSPENSION. Steering wheel shimmy, vibration and/or oscillation
A4022452047920_62022-08-03. Service bulletin. SUSPENSION. The bulletin contains diagnosis information for noises on the front end of the vehicle.
A4222482038689_62022-04-05. Service bulletin. SUSPENSION. 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. SUSPENSION. This informational bulletin contains knowledge on why oil may appear on one or several of the shock absorbers.
A4022322059474_32022-02-04. Service bulletin. SUSPENSION:FRONT:SHOCK ABSORBER. This bulletin contains instructions for correcting buffer stop noise (rumbling or squeaking from the front end).
A4421862056386_72022-01-05. Service bulletin. STEERING; SUSPENSION. This bulletin contains instructions for when the vehicle pulls to one side or the steering wheel is crooked.
A4221462038689_52021-09-02. Service bulletin. SUSPENSION. 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.
A4321452062932_12021-05-06. Service bulletin. SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM. This informational bulletin states to use a special tool if the ODIS tester computes the compressor output as over 25 bar and it is not at 25 bar.
A4321442061907_12021-02-04. Service bulletin. SUSPENSION; EQUIPMENT. This informational bulletin provides information regarding the permissible tolerance.
A4020132059474_22020-08-06. Service bulletin. SUSPENSION:FRONT:SHOCK ABSORBER; EQUIPMENT. This bulletin contains instructions for correcting buffer stop noise (rumbling or squeaking from the front end).
A4020122047920_52020-08-06. Service bulletin. SUSPENSION:FRONT:WHEEL BEARING; STEERING. The bulletin contains diagnosis information for noises on the front end of the vehicle. Potential rolling sounds.
A4020072047920_42020-06-04. Service bulletin. STEERING; SUSPENSION; EQUIPMENT:MECHANICAL. The bulletin contains diagnosis information for noises on the front end of the vehicle. Potential rolling sounds.
A4220442038689_42020-06-04. Service bulletin. EQUIPMENT; SUSPENSION. 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.
A4020062059474_12020-06-04. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; SUSPENSION. This bulletin contains instructions for correcting buffer stop noise (rumbling or squeaking from the front end).
A4020042047920_32020-06-04. Service bulletin. SUSPENSION. The bulletin contains diagnosis information for noises on the front end of the vehicle. Potential rolling sounds.
A441969 20225632019-04-01. Service bulletin. SUSPENSION. This bulletin provides information regarding vibrations or movement that are felt in the wheel.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.