{"nhtsa_id":10046159,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2012-09-29","date":"2012-09-28","document_id":"TIB-02-121","mfr_campaign":null,"replaces":null,"component":"SEAT BELTS:FRONT:RETRACTOR","mfr_system":null,"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","document":null,"url":"https://open.wenmarpro.com/bulletins/10046159","components":[{"id":"seat-belts","name":"Seat belts","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"KENWORTH","model":"KENWORTH","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]}],"as_of":"2026-10-19","note":"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.","attribution":[]}