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Service bulletin TSB35-014-WST

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 id10252344
Published by NHTSA2024-04-02
Manufacturer's numberTSB35-014-WST
Manufacturer's date2024-03-19
NHTSA componentPOWER TRAIN

NHTSA's summary

Revised Technical Service Bulletin for Detroit Drive Axle Identification and Lubrication. Description of Revisions: This bulletin replaces the version dated January 2017. The title of the bulletin and oil specification has been updated. Prior submission as SBW35-014.

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

Transmission and driveline

Vehicles listed
WESTERN STAR WESTERN STAR

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