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Service bulletin SF559

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 id10146310
Published by NHTSA2018-10-29
Manufacturer's numberSF559
Manufacturer's date2018-05-01
NHTSA componentSTEERING:HYDRAULIC POWER ASSIST:HOSE, PIPING, AND CONNECTIONS; STEERING

NHTSA's summary

SF559 Freightliner Business Class M2 Power Steering Hoses

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

Steering, Power steering

Vehicles listed
FREIGHTLINER BUSINESS CLASS M22017 to 2018

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