{"nhtsa_id":612117,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2000-06-05","date":"2000-01-07","document_id":"BCM000102","mfr_campaign":null,"replaces":null,"component":"PARKING BRAKE:DRIVELINE:AIR","mfr_system":null,"summary":"THE PARKING BRAKE CONTROL VALVE ON VEHICLE'S WITH HYDRAULIC BRAKES WITH AN AIR RELEASED, SPRING APPLIED TRANSMISSION MOUNTED PARKING BRAKE. *MJS","document":null,"url":"https://open.wenmarpro.com/bulletins/612117","components":[{"id":"brakes","name":"Brakes","parent":null},{"id":"parking-brake","name":"Parking brake","parent":"brakes"}],"codes":[],"topics":[],"vehicles":[{"make":"NAVISTAR","model":"NAVISTAR","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":[]}