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Service bulletin SB-42-17

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 id10033169
Published by NHTSA2010-07-21
Manufacturer's numberSB-42-17
Manufacturer's date2010-01-01
NHTSA componentSERVICE BRAKES, AIR

NHTSA's summary

FREIGHTLINER: AIR MANAGEMENT UNIT (AMU) REPLACEMENT. BEGINNING 4/10, CHASSIS EQUIPPED WITH AIR BRAKES OR HYDRAULIC BRAKES WITH AIR OPTIONS, WILL BE EQUIPPED WITH AN ACCESSORY AIR VALVE ASSEMBLY (AAVA). AAVA WILL TAKE THE PLACE OF THE CURRENT AIR MANAGEMENT UNIT (AMU) USED ON THE CHASSIS. NO MODEL YEARS LISTED. *PE

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

Vehicles listed
FREIGHTLINER S22005 to 2009

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