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Service bulletin FSB-258-030

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 id10042490
Published by NHTSA2011-12-13
Manufacturer's numberFSB-258-030
Manufacturer's date2011-11-01
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:DIESEL

NHTSA's summary

MACK TRUCK: BETWEEN AFTERTREATMENT HYDROCARBON DOSING MODULE INITIAL DESIGN AND BOSS ON MP8 ENGINE, AN INTERFERENCE WAS DISCOVERED. IT PREVENTS BRACKET AND AFTERTREATMENT HYDROCARBON DOSING MODULE FROM MOUNTING FLUSH TO SURFACE OF ENGINE BLOCK. *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

Engine

Vehicles listed
MACK CHU2010
MACK CXU2010
MACK GRANITE (GU)2012
MACK GU2010 to 2011
MACK PINNACLE (CHU)2011 to 2012
MACK PINNACLE (CXU)2011 to 2012

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