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Service bulletin TIB-02-121

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 id10046159
Published by NHTSA2012-09-29
Manufacturer's numberTIB-02-121
Manufacturer's date2012-09-28
NHTSA componentSEAT BELTS:FRONT:RETRACTOR

NHTSA's summary

KENWORTH: DUE TO DESIGN OF SEAT BELTS, AN EXTREME MOVEMENTS OR POSITIONS, BELTS DESIGNED FOR POSSIBLE CRASH AND WILL LOCK BELT RETRACTORS IN POSITION BECAUSE OF EXTREME ANGLE OF RETRACTOR OR TOO MUCH MATERIAL FED INTO MECHANISM. NO MODELS OR YEARS LISTED. *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

Seat belts

Vehicles listed
KENWORTH KENWORTH

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