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Service bulletin ATC2004

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 id10145443
Published by NHTSA2018-10-15
Manufacturer's numberATC2004
Manufacturer's date2018-09-11
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

This Account Team Coverage is being issued to address suspect Valve Rocker Assemblies on certain ISX15 CM2350 X101 engines. This field action provides authorization for certified repair locations to replace the Intake and Exhaust Valve Rocker assemblies on eligble engines with assemblies that include improved oil delivery to the roller and pin interface.

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 ISX

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