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Service bulletin SFN0237

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 id632419
Published by NHTSA2002-07-16
Manufacturer's numberSFN0237
Manufacturer's date2002-04-24
NHTSA componentPOWER TRAIN

NHTSA's summary

SUBJECT REGARDING ANNOUNCEMENT OF ALLISON TRANSMISSION SOFTWARE APPROVAL FOR EZ-TECH INSTALLATION. *TT

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Transmission and driveline

Vehicles listed
INTERNATIONAL HARVESTER INTERNATIONAL

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