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Service bulletin sbw2023

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 id10129683
Published by NHTSA2018-03-05
Manufacturer's numbersbw2023
Manufacturer's date2015-04-01
NHTSA componentENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY

NHTSA's summary

sbw2023 Modine Copper/Brass Bolted Downflow Radiator Rebuilding

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, Cooling system, Radiator

Vehicles listed
WESTERN STAR 47002002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019
WESTERN STAR 4900
WESTERN STAR 49002002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019
WESTERN STAR 4900 SA2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 (the catalog's model; the bulletin names a series or trim of it)
WESTERN STAR 4900EX2006, 2007 (the catalog's model; the bulletin names a series or trim of it)
WESTERN STAR CONSTELLATION2009 to 2013

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

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