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Service bulletin TIB-42-043

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 id10040166
Published by NHTSA2011-08-16
Manufacturer's numberTIB-42-043
Manufacturer's date2011-08-01
NHTSA componentENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN

NHTSA's summary

PACCAR: INFORMATION ON FAN HUB BEARINGS INSPECTION AND WARRANTY EXTENSION DUE TO A HIGHER THAN NORMAL FAILURE RATE. *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

Engine, Cooling fan, Cooling system

Vehicles listed
KENWORTH T1702007 to 2008
KENWORTH T20002007 to 2011
KENWORTH T2702007 to 2011
KENWORTH T3002007, 2008, 2009, 2010, 2011
KENWORTH T3702007 to 2011
KENWORTH T4002011
KENWORTH T4402011
KENWORTH T4702011
KENWORTH T6002007 to 2011
KENWORTH T6602007 to 2011
KENWORTH T7002007 to 2011
KENWORTH T8002007 to 2011
KENWORTH W9002007 to 2011
KENWORTH W900S2010

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
TIB-E-0302011-08-29. Service bulletin. PACCAR SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER.CAMPAIGN TO REPLACE THE WATER PUMP. *RM
TIB-42-482011-08-16. Service bulletin. PACCAR: INFORMATION ON PREMATURE FAN CLUTCH LINING WEAR. *RM
TIB-41-0142011-08-16. Service bulletin. PACCAR: THERE ARE COOLING MODULES THAT MAY HAVE A LOOSE CONNECTION AT THE CHARGE AIR COOLER MOUNTING. *RM