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Service bulletin sb4255

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 id10141730
Published by NHTSA2018-06-18
Manufacturer's numbersb4255
Manufacturer's date2018-02-26
NHTSA componentEQUIPMENT; SERVICE BRAKES, AIR:SUPPLY:HOSES, LINES/PIPING, AND FITTINGS

NHTSA's summary

sb4255 Columbia Century Class Front Axle Air Brake Hose Leaks

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

Brakes, Equipment and accessories, Brake hoses and lines

Vehicles listed
FREIGHTLINER CENTURY CLASS2002
FREIGHTLINER COLUMBIA2002

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