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Service bulletin 18SP747REV2

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 id10235626
Published by NHTSA2023-05-05
Manufacturer's number18SP747REV2
Manufacturer's date2023-04-03
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

Detroit Special Publication for Detroi Fuel Injector Cleaning Machine. The Fuel Injector Cleaning Machine (FICM) is used to clean deposits from fuel injectors and test fuel injector performance.

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
DETROIT DIESEL DETROIT DIESEL

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