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Service bulletin SB-32-10

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 id10028724
Published by NHTSA2009-05-20
Manufacturer's numberSB-32-10
Manufacturer's date2009-02-01
NHTSA componentEQUIPMENT:RECREATIONAL VEHICLE/TRAILER; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT:MECHANICAL

NHTSA's summary

WESTERN STAR: SOME BARKSDALE HEIGHT CONTROL VALVES HAVE BEEN RETURNED FOR WARRANTY BECAUSE FOUR BOLTS IN THE VALVE HOUSING WERE OVERTIGHTENED, OFTEN, ENOUGH TO CRACK VALVE HOUSING. MODEL YEARS UNKNOWN. *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

Equipment and accessories, Labels and manuals

Vehicles listed
WESTERN STAR CONSTELLATION
WESTERN STAR CONSTELLATION1995 to 1999
WESTERN STAR CONSTELLATION2001

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