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Service bulletin 35-7

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 id10043820
Published by NHTSA2012-04-27
Manufacturer's number35-7
Manufacturer's date2012-02-01
NHTSA componentSUSPENSION:FRONT:WHEEL BEARING; SUSPENSION:MULTIPLE AXLE; POWER TRAIN:DRIVELINE:CENTER SUPPORT BEARING

NHTSA's summary

WESTERN STAR: LUBRICATE WHEEL BEARINGS, REAR DRIVE AXLES. *JS

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

Suspension, Transmission and driveline, Wheel bearing

Vehicles listed
WESTERN STAR 47002012
WESTERN STAR 48001994
WESTERN STAR 48001998, 1999
WESTERN STAR 49002004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013
WESTERN STAR 59001994
WESTERN STAR 59001998, 1999, 2000
WESTERN STAR 69002004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013
WESTERN STAR CONSTELLATION1995 to 1999
WESTERN STAR CONSTELLATION2001
WESTERN STAR CONSTELLATION2009 to 2012
WESTERN STAR HERITAGE1995 to 1997
WESTERN STAR HERITAGE1999

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

Other bulletins for the same vehicles and component
SB-33-042014-01-23. Service bulletin. WESTERN STAR: IT HAS BEEN RECOMMENDED, BY CONMET, THAT THE BEARING SPACER BE REPLACED WITH NEW ONE WHEN HUB IS REMOVED. MODEL 4700, 4900, 6900.. NO YEARS LISTED. *PE