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Service bulletin FSB-293-011

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 id10040514
Published by NHTSA2011-08-31
Manufacturer's numberFSB-293-011
Manufacturer's date2011-07-01
NHTSA componentENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE); ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS

NHTSA's summary

MACK TRUCKS: THERE ARE NEW EGR OUTLET HOSE CLAMPS. *RM

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, Exhaust and emissions, Cooling system, EGR valve

Vehicles listed
MACK CHU2007 to 2010
MACK CXU2007 to 2010
MACK GU2007 to 2011
MACK MRU2007 to 2011
MACK PINNACLE (CHU)2011
MACK PINNACLE (CXU)2011

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