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Service bulletin sb2079

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 id10141716
Published by NHTSA2018-06-18
Manufacturer's numbersb2079
Manufacturer's date2018-02-26
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS; ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN

NHTSA's summary

sb2079 Premature Belt Wear on Cummins ISC ISL

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 fan, Cooling system, Drive belts

Vehicles listed
FREIGHTLINER 108SD2009, 2010, 2011, 2012, 2013, 2014
FREIGHTLINER 114SD2009, 2010, 2011, 2012, 2013, 2014
FREIGHTLINER BUSINESS CLASS M22009 to 2014

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
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sb20852018-06-18. Service bulletin. sb2085 Isolated Radiator Mounting, Behr Mahle M80 FEPTO Radiator
sb20832018-06-18. Service bulletin. sb2083 FluidXchange Tool and FittingsB
sb20812018-06-18. Service bulletin. sb2081 Fan Shroud Fastener Retrofit, 114SD with DD13 Engine
sb20762018-06-18. Service bulletin. sb2076 114SD Radiator Mounting, Update?EPA10
sb20742018-06-18. Service bulletin. sb2074 Kysor Fan Clutch Rocking Runout Inspection
sb20692018-06-18. Service bulletin. sb2069 Kysor Fan Clutch Sticking
323-152018-03-05. Service bulletin. 323-15 Symptom Diagnostics ? Noise