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Service bulletin FSB 364-034

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 id10083838
Published by NHTSA2016-11-02
Manufacturer's numberFSB 364-034
Manufacturer's date2012-10-08
NHTSA componentENGINE

NHTSA's summary

ENGINE BRAKE REACTIVATION, ENGINE BRAKE MALFUNCTION

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

Engine

Vehicles listed
MACK CHU2013
MACK CXU2013
MACK GU2013
MACK TD2013

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