WenmarOpen by Wenmar Pro

Service bulletin SB-460-010

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 id10040733
Published by NHTSA2011-09-12
Manufacturer's numberSB-460-010
Manufacturer's date2011-03-16
NHTSA componentSUSPENSION:REAR:SPRINGS:LEAF SPRING ASSEMBLY:HANGER/BRACKET; SUSPENSION:FRONT:SPRINGS:LEAF SPRING ASSEMBLY:HANGER,BRACKET; SUSPENSION:MULTIPLE AXLE:TORQUE ARM

NHTSA's summary

MACK TRUCKS: THERE MAY BE ISSUES WITH BOLTS SUCH AS LOOSENING/ BREAKING AT THE TORQUE ROD ATTACHMENT. *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

Suspension

Vehicles listed
MACK LEU2007 to 2012
MACK MRU2007 to 2012

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