{"nhtsa_id":10046121,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2012-09-27","date":"2012-08-10","document_id":"TIB-02-120","mfr_campaign":null,"replaces":null,"component":"SEATS","mfr_system":null,"summary":"KENWORTH: TESTING PROCEDURES SHOWS C- SCISSOR LINKAGE EXHIBITED EXCESSIVE RELATIVE MOTION AND INSTALLING NON CRITICAL SUPPORT BRACKET TO MINIMIZE RELATIVE MOTION OF C- SCISSOR LINKAGE. MODELS 39 QV AND VV T680S.. NO MODEL YEARS LISTED.","document":null,"url":"https://open.wenmarpro.com/bulletins/10046121","components":[{"id":"seats","name":"Seats","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"KENWORTH","model":"KENWORTH","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"KENWORTH","model":"T680","year_from":2013,"year_to":2013,"match":"exact","vehicle_ids":["2013_kenworth_t680"]}],"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":[]}