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Service bulletin WSTCAE120-2013

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10193656
Published by NHTSA2021-05-18
Manufacturer's numberWSTCAE120-2013
Manufacturer's date2013-12-20
NHTSA componentSERVICE BRAKES, AIR

NHTSA's summary

AIR DRYER - Bendix Introduces the AD-9si to Replace the AD-IP. ADMINISTRATION - CAE Holiday Schedule

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Brakes

Vehicles listed
WESTERN STAR WESTERN STAR

Listing a model year does not mean every vehicle of it is concerned: the document says which.