# Service bulletin sbw4206

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: 10141784
- Published by NHTSA: 2018\-06\-18
- Manufacturer's number: sbw4206
- Manufacturer's date: 2018\-02\-26
- NHTSA component: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DRUM; SERVICE BRAKES, AIR:DRUM

## NHTSA's summary

sbw4206 Brake Shimmy?Meritor® SteeLite X30? Brake Drum With Excessive Runout

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2018/MC-10141784-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2018/MC-10141784-0001.pdf)

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

## Components

Brakes, Brake drums and shoes

## Vehicles listed

- 2012 to 2019 WESTERN STAR 4700
- 2012 to 2017 WESTERN STAR 4800
- 2012 to 2019 WESTERN STAR 4900
- 2012 to 2017 WESTERN STAR 5900
- 2012 to 2019 WESTERN STAR 6900
- 2012 to 2013 WESTERN STAR CONSTELLATION
- 2015 to 2016 WESTERN STAR CONSTELLATION

## Other bulletins for the same vehicles and component

- [WSB\-42\-6](/bulletins/10044782.md), 2012-07-28, Service bulletin: SERVICE BRAKES, AIR:DRUM. WESTERN STAR: WHEN APPLYING THE BRAKES, SOME TRUCKS WILL EXPERIENCE SEVERE SHAKING OR SHIMMYING. MODELS CONSTELLATION, 4700, 4800, 4900, 6900 AND 5900. NO MODEL YEARS LISTED. \*PE UPDATED 11/1/12. \*PE

JSON: [/v1/bulletins/10141784](/v1/bulletins/10141784)

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