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Service bulletin FSB-652-004-1

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 id10043808
Published by NHTSA2012-04-27
Manufacturer's numberFSB-652-004-1
Manufacturer's date2012-03-01
ReplacesFB-652-004-2
NHTSA componentSUSPENSION:REAR:AXLE:NON-POWERED AXLE ASSEMBLY; SUSPENSION:MULTIPLE AXLE:TORQUE ARM

NHTSA's summary

MACK: TORQUE ROD REPLACEMENT ON FRONT REAR AXLE. *JS UPDATED 5/9/12. *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

Suspension

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