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Service bulletin TSB140157-110514

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 id10089334
Published by NHTSA2017-01-23
Manufacturer's numberTSB140157-110514
Manufacturer's date2014-11-11
NHTSA componentENGINE; EQUIPMENT

NHTSA's summary

THIS TECHNICAL SERVICE BULLETIN DESCRIBES THE VERIFICATION AND RESOLUTION OF EXCESSIVE METALLIC GEAR TRAIN NOISE DURING AIR COMPRESSOR OPERATION ON CERTAIN REAR GEAR TRAIN ENGINES.

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, Equipment and accessories

Vehicles listed
CUMMINS ISB6.7

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