# Service bulletin A401878 2047920\_

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: 10138317
- Published by NHTSA: 2018\-05\-21
- Manufacturer's number: A401878 2047920\_
- Manufacturer's date: 2018\-03\-02
- NHTSA component: SUSPENSION:FRONT:WHEEL BEARING; WHEELS; STEERING; SUSPENSION:FRONT

## NHTSA's summary

The bulletin contains diagnosis information for noises on the front end of the vehicle. Potential rolling sounds.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2018/MC-10138317-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2018/MC-10138317-0001.pdf)

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

## Components

Steering, Suspension, Wheels, Wheel bearing

## Vehicles listed

- 2017 to 2018 AUDI A4 ALLROAD
- 2017 to 2018 AUDI A5
- 2017 to 2018 AUDI Q7

## Other bulletins for the same vehicles and component

- [A402237202431811](/bulletins/10209453.md), 2022-04-05, Service bulletin: SUSPENSION:FRONT:WHEEL BEARING. This bulletin describes the proper procedure to address a clicking or clacking noise from the wheel bearing
- [A4020122047920\_5](/bulletins/10177409.md), 2020-08-06, Service bulletin: SUSPENSION:FRONT:WHEEL BEARING; STEERING. The bulletin contains diagnosis information for noises on the front end of the vehicle. Potential rolling sounds.
- [A401761 2024318\-](/bulletins/10128293.md), 2018-02-05, Service bulletin: WHEELS; SUSPENSION:FRONT:WHEEL BEARING. This technical service bulletin provides instructions for correcting a clicking sound from the wheel bearing\(s\).
- [A401774 2024318\-](/bulletins/10127828.md), 2018-02-05, Service bulletin: WHEELS; SUSPENSION:FRONT:WHEEL BEARING. This technical service bulletin provides instructions for correcting a clicking sound from the wheel bearing\(s\).
- [A401768 2024318\-](/bulletins/10127823.md), 2018-02-05, Service bulletin: WHEELS; SUSPENSION:FRONT:WHEEL BEARING. This technical service bulletin provides instructions for correcting a clicking sound from the wheel bearing\(s\).
- [A40165520243184](/bulletins/10093306.md), 2017-03-01, Service bulletin: SUSPENSION:FRONT:WHEEL BEARING. THIS TECHNICAL SERVICE BULLETIN PROVIDES INSTRUCTIONS FOR CORRECTING A CLICKING SOUND FROM THE WHEEL BEARING\(S\).

JSON: [/v1/bulletins/10138317](/v1/bulletins/10138317)

[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%20A401878%202047920_&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10138317&vehicle=Service%20bulletin%20A401878%202047920_)