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Service bulletin E-09024

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 id10030324
Published by NHTSA2009-09-21
Manufacturer's numberE-09024
Manufacturer's date2009-04-03
NHTSA componentENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS

NHTSA's summary

CUMMINS: AIR LEAK PAST COMPRESSOR INLET HOSE COUPLING AT CYLINDER HEAD. SOME ISX CYLINDER HEADS HAVE A SPOT FACE AT THE COMPRESSOR INLET HOSE COUPLING THAT IS SMALLER THAN THE FITTING HEX DIAMETER AND COULD POSSIBLY RESULT IN AN AIR LEAK AT THE JOINT. ISX, QSX15. NO MODEL YEARS LISTED. *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, Cooling system

Vehicles listed
CUMMINS CUMMINS
CUMMINS ISX

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