# Service bulletin A421216 2021724\-

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.

- Type: Service bulletin
- NHTSA id: 10122857
- Published by NHTSA: 2017\-11\-08
- Manufacturer's number: A421216 2021724\-
- Manufacturer's date: 2012\-11\-13
- NHTSA component: STEERING; EQUIPMENT; SUSPENSION

## NHTSA's summary

Supersedes Technical Service Bulletin Group 40 number 12\-24 dated June 6, 2012. Loud cracking or rubbing noises when turning steering wheel. Steering is not affected and will operate normally. Prior to performing this TSB, check whether the vehicle is equipped with rubber shock absorber stop and the plastic cap on the shock. Vehicles equipped with the Audi magnetic ride suspension may not be equipped with these components and this TSB will not be applicable to such vehicles. While steering, the shock absorber stop can chafe on the plastic cap of the suspension strut. If the vehicle is lifted up, the noise disappears. The boot is not properly secured / installed, or is deformed.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2012/MC-10122857-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2012/MC-10122857-0001.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Equipment and accessories, Steering, Suspension

## Vehicles listed

- 2006 to 2011 AUDI A3
- 2008 to 2010 AUDI TT
- 2011 AUDI TT ROADSTER

## Other bulletins for the same vehicles and component

- [TSB\_2074846\_5](/bulletins/11038042.md), 2026-10-05, Service bulletin: STEERING. This bulletin provides information about vibrations and rotational steering vibrations.
- [TSB\_2023187\_8](/bulletins/11030983.md), 2026-04-07, Service bulletin: SUSPENSION. This bulletin provides informaiotn regarding squeaking noises when steering or maneuvering.
- [TSB\_2074846\_4](/bulletins/11028405.md), 2026-02-06, Service bulletin: STEERING. This bulletin provides information about vibrations and rotational steering vibrations.
- [TSB\_2074846\_3](/bulletins/11025340.md), 2025-11-08, Service bulletin: STEERING. This TSB provides information regarding rotational and other steerihng wheel vibrations.
- [A3725312074822\_2](/bulletins/11013709.md), 2025-02-05, Service bulletin: SUSPENSION. This bulletin provides information when noises from wheel input shaft/drive shaft are reported.
- [A4424082074846\_2](/bulletins/11009347.md), 2024-10-28, Service bulletin: STEERING. This bulletin provides information when there are vibrations and rotational steering wheel vibrations.
- [A0024842073507\_1](/bulletins/10252440.md), 2024-04-04, Service bulletin: EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This bulletin provides instructions on evaluating TDI vehicles for repurchase prior to repairs.
- [A9124632044694\_3](/bulletins/10250322.md), 2024-03-06, Service bulletin: EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM\(GLOBAL POSITIONING SYSTEM\). This bulletin provides information pertaining to MMI Navigation database concerns.
- [44134420225638](/bulletins/10251025.md), 2024-03-04, Service bulletin: STEERING. Steering wheel shimmy, vibration and/or oscillation
- [44134220225637](/bulletins/10251023.md), 2024-03-04, Service bulletin: SUSPENSION. Steering wheel shimmy, vibration and/or oscillation

JSON: [/v1/bulletins/10122857](/v1/bulletins/10122857)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%20A421216%202021724-&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10122857&vehicle=Service%20bulletin%20A421216%202021724-)