{"nhtsa_id":10028706,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2009-05-18","date":"2009-03-02","document_id":"SB-3007","mfr_campaign":null,"replaces":"SB-3007B","component":"PARKING BRAKE:DRIVELINE:AIR:CHAMBER","mfr_system":null,"summary":"MOTORCOACH: PRODUCT IMPROVEMENT CHANGE TO THE BRAKE CHAMBERS USED ON THE FRONT AXLE OF E4500/J4500 COACHES HAVING EX225 DISC BRAKES. MODEL YEARS UNKNOWN. *PE UPDATED 7/10/09. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10028706","components":[{"id":"brakes","name":"Brakes","parent":null},{"id":"parking-brake","name":"Parking brake","parent":"brakes"}],"codes":[],"topics":[],"vehicles":[{"make":"MCI","model":"E4500","year_from":2000,"year_to":2008,"match":null,"vehicle_ids":[]},{"make":"MCI","model":"J4500","year_from":2000,"year_to":2009,"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":[]}