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Service bulletin FSB-293-007

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 id10044962
Published by NHTSA2012-08-08
Manufacturer's numberFSB-293-007
Manufacturer's date2012-07-01
NHTSA componentFUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:PRESSURE RELIEF DEVICES

NHTSA's summary

MACK TRUCKS: EGR DIFFERENTIAL PRESSURE SENSOR PIN FRETTING. SEVERE FRETTING DAMAGE OF THE ENGINE EXHAUST GAS RECIRCULATION DIFFERENTIAL PRESSURE SENSOR'S (EGR DIFFERENTIAL PRESSURE SENSOR) CONNECTOR MAY CAUSE AN UNRELIABLE SIGNAL TO THE SENSOR ON MACK MP8 EPA2007 ENGINES. *JS

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

Fuel system, Fuel tank

Vehicles listed
MACK CHU2006 to 2010
MACK CXU2006 to 2010
MACK GRANITE (GU)2012 to 2013
MACK GU2006 to 2011
MACK MRU2007 to 2012
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.