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Service bulletin FSB-413-003

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 id10054150
Published by NHTSA2013-12-26
Manufacturer's numberFSB-413-003
Manufacturer's date2013-12-01
NHTSA componentPOWER TRAIN:CLUTCH ASSEMBLY; POWER TRAIN:CLUTCH ASSEMBLY:PEDAL/HAND LEVER(MOTORCYCLE); POWER TRAIN:CLUTCH ASSEMBLY:BELL HOUSING

NHTSA's summary

MACK: ON SOME TRUCKS, MORE LEG AND KNEE ROOM WAS PROVIDED FOR OPERATOR COMFORT DUE TO AIR OPERATED CLUTCH ASSIST SYSTEM DESIGNED TO REDUCE CLUTCH PEDAL EFFORT BY 20% AND CLUTCH PEDAL TRAVEL BY 2' (50.8MM). MODEL CHU, CTP, CXP, CXU, GU. NO YEARS LISTED. *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

Transmission and driveline, Clutch

Vehicles listed
MACK CHU2010
MACK CHU2013 to 2014
MACK CTP2006 to 2008
MACK CXP2006 to 2008
MACK CXU2010
MACK GRANITE (GU)2012 to 2014
MACK GU2010 to 2011
MACK PINNACLE (CHU)2011 to 2012
MACK PINNACLE (CXU)2011 to 2014

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