{"nhtsa_id":600152,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1998-04-27","date":"1998-04-27","document_id":"98021098936B","mfr_campaign":null,"replaces":null,"component":"SERVICE BRAKES, HYDRAULIC","mfr_system":null,"summary":"SUBJECT PERTAINING TO CHANGING THE RETARDER CONTROL CONFIGURATION FROM A 1OO% APPLIED FROM THE BRAKE TO A 50% FROM THE THROTTLE AND 50% FROM THE BRAKE. *YC","document":null,"url":"https://open.wenmarpro.com/bulletins/600152","components":[{"id":"brakes","name":"Brakes","parent":null}],"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":[]}