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Service bulletin ATC2738

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 id10244900
Published by NHTSA2023-11-06
Manufacturer's numberATC2738
Manufacturer's date2023-10-31
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

This ATC is being issued to address upper idler gear shaft failures in certain QSX15 CM570 or ISX15 CM570 engines. This ATC authorizes certified repair locations to replace specified gear train components.

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

Vehicles listed
CUMMINS ISX15

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