{"nhtsa_id":10034486,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2010-11-19","date":"2010-09-28","document_id":"SB-3043","mfr_campaign":null,"replaces":null,"component":"SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DIFFERENTIAL PROPORTIONAL VALVE; SERVICE BRAKES, AIR:SUPPLY:CHECK VALVE; SERVICE BRAKES, AIR:SUPPLY:QUICK RELEASE VALVE","mfr_system":null,"summary":"MCI: TAG UNLOAD VALVE ASSEMBLY. EFFECTIVE WITH UNIT NUMBER 65614, MCI HAS MADE DESIGN CHANGES TO THE TAG UNLOAD VALVE ASSEMBLY INSTALLATION ON SOME MODEL COACHES. THE LONGER LIFE VALVES WILL IMPROVE THE DURABILITY OF THE TAG UNLOAD VALVE ASSEMBLY. MODELS E4500/J4500 SERIES. NO MODEL YEARS LISTED. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10034486","components":[{"id":"brakes","name":"Brakes","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"MCI","model":"E SERIES","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"MCI","model":"E SERIES","year_from":1998,"year_to":1998,"match":null,"vehicle_ids":[]},{"make":"MCI","model":"E SERIES","year_from":2001,"year_to":2008,"match":null,"vehicle_ids":[]},{"make":"MCI","model":"E4500","year_from":1999,"year_to":2011,"match":null,"vehicle_ids":[]},{"make":"MCI","model":"E4500C","year_from":2002,"year_to":2006,"match":null,"vehicle_ids":[]},{"make":"MCI","model":"J SERIES","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"MCI","model":"J4500","year_from":2000,"year_to":2011,"match":null,"vehicle_ids":[]},{"make":"MCI","model":"J4500C","year_from":2006,"year_to":2006,"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":[]}