# Service bulletin WSB\-42\-6

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: 10044782
- Published by NHTSA: 2012\-07\-28
- Manufacturer's number: WSB\-42\-6
- Manufacturer's date: 2012\-08\-01
- Replaces: WSB\-42\-6\-A
- NHTSA component: SERVICE BRAKES, AIR:DRUM

## NHTSA's summary

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

## The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

## Components

Brakes, Brake drums and shoes

## Vehicles listed

- 2013 WESTERN STAR 4700
- 2002 WESTERN STAR 4800
- 2010 WESTERN STAR 4900
- 2013 WESTERN STAR 4900
- 2003 WESTERN STAR 5900
- 2010 WESTERN STAR 6900
- 2013 WESTERN STAR 6900
- WESTERN STAR CONSTELLATION
- 2012 WESTERN STAR CONSTELLATION

## Other bulletins for the same vehicles and component

- [sbw4206](/bulletins/10141784.md), 2018-06-18, Service bulletin: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DRUM; SERVICE BRAKES, AIR:DRUM. sbw4206 Brake Shimmy?Meritor® SteeLite X30? Brake Drum With Excessive Runout

JSON: [/v1/bulletins/10044782](/v1/bulletins/10044782)

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