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Service bulletin D19M4

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 id10165429
Published by NHTSA2019-09-28
Manufacturer's numberD19M4
Manufacturer's date2019-09-27
NHTSA componentSTRUCTURE

NHTSA's summary

Field Service Campaign Bulletin for DetroitTM Axle M2 Chassis Stabilizer Bracket Inspection

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

Body and frame

Vehicles listed
FREIGHTLINER BUSINESS CLASS M22014 to 2018

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