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Service bulletin CMI-J8V2A-04

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 id10133071
Published by NHTSA2018-04-16
Manufacturer's numberCMI-J8V2A-04
Manufacturer's date2018-03-26
NHTSA componentENGINE

NHTSA's summary

This is a representative communication from the Cummins producing plant to possibly affected vehicle manufacturers regarding a potential issue with the #5 intake rocker pedestal cap screw not being fully torqued on a Jake Brake engine following an error made during the robot relocation teaching.

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 L9

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