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Service bulletin TIB-26-16

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 id10030404
Published by NHTSA2009-09-29
Manufacturer's numberTIB-26-16
Manufacturer's date2009-05-27
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION

NHTSA's summary

KENWORTH SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. AUTOMATIC TRANSMISSION SUPPORT SPRING BRACKET WELD CAMPAIGN. C500 AND K500 WITH FRONT DRIVE AXLES AND ALLISON WORLD SERIES AUTOMATIC TRANSMISSIONS, ARE AFFECTED. INSPECT AND, IF NECESSARY, SERVICE ALL CHASSIS AFFECTED EVEN IF THE CUSTOMER HAS NO ISSUE WITH THE CHASSIS. CSC LETTER REC'D. *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

Transmission and driveline, Automatic transmission

Vehicles listed
KENWORTH C5002008 to 2009
KENWORTH K5002008

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