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Service bulletin EF-E10054

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 id10033749
Published by NHTSA2010-09-17
Manufacturer's numberEF-E10054
Manufacturer's date2010-05-11
NHTSA componentENGINE AND ENGINE COOLING:ENGINE

NHTSA's summary

CUMMINS: CERTAIN HYDRAULIC PUMPS INSTALLED ON THESE ENGINES CAN APPLY EXCESSIVE LOAD TO THE ENGINE, WHICH MAY CAUSE A SPUN CAMSHAFT BUSHING AND PROGRESSIVE ENGINE DAMAGE. MODELS ISB CM2150 AND QSB CM850. *PE

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

Vehicles listed
CUMMINS CUMMINS
CUMMINS ISB CM2150

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