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Service bulletin TIB-34-039

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 id10040524
Published by NHTSA2011-09-02
Manufacturer's numberTIB-34-039
Manufacturer's date2011-09-01
NHTSA componentSUSPENSION:FRONT:SPRINGS:LEAF SPRING ASSEMBLY:U-BOLT, LEAF SPRING TO AXLE

NHTSA's summary

PACCAR SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. INFORMATION ON THE FRONT DRIVE AXLE SPEED WARNING DISPLAY. *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
KENWORTH T3002006, 2007, 2008, 2009, 2010, 2011

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