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Service bulletin TIB-16-35

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 id10042748
Published by NHTSA2012-01-09
Manufacturer's numberTIB-16-35
Manufacturer's date2011-09-16
NHTSA componentEQUIPMENT ADAPTIVE/MOBILITY

NHTSA's summary

KENWORTH: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. THE FRONT AXLE U BOLTS WERE MANUFACTURED ON CERTAIN T3 AND T4 SERIES TRUCKS WITH INSUFFICIENT TORQUE. *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

Equipment and accessories

Vehicles listed
KENWORTH T3002011
KENWORTH T3702011 to 2012
KENWORTH T4002011
KENWORTH T4402011 to 2012
KENWORTH T4702011 to 2012

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

Other bulletins for the same vehicles and component
02-1602021-03-10. Service bulletin. Information Only – Windshield washer pumps have a high No Trouble Found rate. Washer pumps may fail to spray due to a clogged filter.
32-0162020-04-03. Service bulletin. Information Only: Proper jump-starting voltage will eliminate high voltage related issues and equipment damage.
TIB43-0622019-10-04. Service bulletin. Information Only – This bulletin provides information about the California Air Resources Board (CARB) Periodic Smoke Inspection Program (PSIP) and Heavy Duty Vehicle Inspection Program (HDVIP).