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Service bulletin CMI-F7E7Q-11

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 id10169285
Published by NHTSA2019-12-16
Manufacturer's numberCMI-F7E7Q-11
Manufacturer's date2019-11-01
NHTSA componentENGINE

NHTSA's summary

This is a representative communication from the Cummins producing plant to affected vehicle manfacturers regarding a potential issue with suspected loose flywheel housing capscrew torque. The engine plant pursued corrective action with affected OEMs.

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 B
CUMMINS B GAS PLUS
CUMMINS C
CUMMINS C GAS PLUS

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