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Service bulletin FSB-371-044

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 id10051592
Published by NHTSA2013-03-21
Manufacturer's numberFSB-371-044
Manufacturer's date2013-01-01
NHTSA componentELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES

NHTSA's summary

MACK TRUCK: TORQUE ISSUE AND MATERIAL MAY BE CAUSING BATTERY CABLE CLAMPS TO CRACK OR BREAK. TRUCK NEEDS TO BE INSPECTED TO DETERMINE HOW MANY CLAMPS ARE CRACKED OR BROKEN. MODEL 2010-2012 CHU, CXU, GU, LEU, MRU, TD. *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

Electrical system, 12-volt battery

Vehicles listed
MACK CHU2010
MACK CXU2010
MACK GRANITE (GU)2012
MACK GU2010 to 2011
MACK LEU2010 to 2012
MACK MRU2010 to 2012
MACK PINNACLE (CHU)2011 to 2012
MACK PINNACLE (CXU)2011 to 2012
MACK TD2012

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