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Service bulletin GIB-42-4

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 id10040848
Published by NHTSA2011-09-13
Manufacturer's numberGIB-42-4
Manufacturer's date2011-07-01
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:DIESEL

NHTSA's summary

DAIMLER TRUCKS: THERE IS A REPETITIVE "SPITTING" NOISE MAY BE HEARD FROM THE AIR DRYERS. *RM

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

Engine

Vehicles listed
WESTERN STAR CONSTELLATION2011 to 2012

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