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Service bulletin SB-386-014

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 id10037230
Published by NHTSA2011-05-13
Manufacturer's numberSB-386-014
Manufacturer's date2010-10-01
NHTSA componentFUEL SYSTEM, OTHER:DELIVERY; FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM

NHTSA's summary

MACK TRUCKS: THE FUEL LEVEL SENDER IS MAKING IMPROPER CONTACT AND CAUSING THE FUEL GUAGE TO READ INCORRECTLY. *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

Fuel system

Vehicles listed
MACK LEU2008 to 2012
MACK MRU2008 to 2012

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