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Service bulletin 4249

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 id631386
Published by NHTSA2002-05-23
Manufacturer's number4249
Manufacturer's date2002-02-01
NHTSA componentSERVICE BRAKES, AIR:SUPPLY:HOSES, LINES/PIPING, AND FITTINGS

NHTSA's summary

VEHICLES MAY EXPERIENCE AIR LEAKS AT AIR LINE FITTINGS. *YH

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

Brakes, Brake hoses and lines

Vehicles listed
FREIGHTLINER BUSINESS CLASS

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