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Service bulletin TSB140044-041414

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 id10085262
Published by NHTSA2016-11-30
Manufacturer's numberTSB140044-041414
Manufacturer's date2014-05-05
NHTSA componentENGINE; ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS

NHTSA's summary

THIS TECHNICAL SERVICE BULLETIN DESCRIBES THE VERFICATION AND RESOLUTION OF PREMATURE BELT WEAR (FRAYING OR SHREDDING) ON CERTAIN FREIGHTLINER M2 106V OR 108 SD (SEVERE DUTY) CHASSIS. THE LONG BELT SPAN BETWEEN THE HIGH MOUNT FAN CLUTCH PULLEY AND THE CRANKSHAFT PULLEY EXCEEDS DESIGN GUIDELINES AND IS CAUSING BELT VIBRATION, LEADING TO PREMATURE BELT WEAR.

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, Drive belts

Vehicles listed
CUMMINS ISC8.3
CUMMINS ISL9

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