{"nhtsa_id":602973,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1999-01-22","date":"1999-01-22","document_id":"1107A","mfr_campaign":null,"replaces":null,"component":"SERVICE BRAKES, AIR:DRUM:CHAMBER","mfr_system":null,"summary":"INSTALLATION OF PLUGS IN REAR BRAKE CHAMBERS. *YC","document":null,"url":"https://open.wenmarpro.com/bulletins/602973","components":[{"id":"brakes","name":"Brakes","parent":null},{"id":"brake-drum-shoe","name":"Brake drums and shoes","parent":"brakes"}],"codes":[],"topics":[],"vehicles":[{"make":"NEW FLYER","model":"NEW FLYER","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":[]}