{"nhtsa_id":631383,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2002-05-23","date":"2002-03-01","document_id":"4250","mfr_campaign":null,"replaces":null,"component":"SERVICE BRAKES, AIR","mfr_system":null,"summary":"CONCERNS WITH MERITO Q PLUS BRAKES NEED LUBRICATION. *YH","document":null,"url":"https://open.wenmarpro.com/bulletins/631383","components":[{"id":"brakes","name":"Brakes","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"FREIGHTLINER","model":"ARGOSY","year_from":null,"year_to":null,"match":"exact","vehicle_ids":[]},{"make":"FREIGHTLINER","model":"BUSINESS CLASS","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"FREIGHTLINER","model":"CENTURY","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"FREIGHTLINER","model":"COLUMBIA","year_from":null,"year_to":null,"match":"exact","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":[]}