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Service bulletin 2626

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 id625031
Published by NHTSA2001-11-16
Manufacturer's number2626
Manufacturer's date2001-05-01
NHTSA componentPOWER TRAIN:MANUAL TRANSMISSION

NHTSA's summary

INFORMATION REGARDING HIGH SPEED VIBRATIONS WITH ALLISON MD 6 SPEED TRANSMISSION.*JB

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, Manual transmission

Vehicles listed
FREIGHTLINER BUSINESS CLASS

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