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Service bulletin FSB-258-028

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 id10042464
Published by NHTSA2011-12-08
Manufacturer's numberFSB-258-028
Manufacturer's date2011-11-01
NHTSA componentFUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP; ENGINE AND ENGINE COOLING:ENGINE:DIESEL

NHTSA's summary

MACK TRUCK: DUE TO THE LOW GROUND CLEARANCE, THE AFTERTREATMENT DIESEL EXHAUST FLUID (DEF) PUMP'S LOCATION MAY BECOME DAMAGED. *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, Fuel system, Fuel pump

Vehicles listed
MACK LEU2010 to 2012
MACK MRU2010 to 2012

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