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Service bulletin sb2049

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 id10141690
Published by NHTSA2018-06-18
Manufacturer's numbersb2049
Manufacturer's date2018-02-26
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

sb2049 Fan Shroud Modification

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

Engine

Vehicles listed
FREIGHTLINER CENTURY CLASS2004 to 2010
FREIGHTLINER FLD2004 to 2010

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