{"nhtsa_id":10047439,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2012-11-28","date":"2012-10-12","document_id":"SB-389","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR","mfr_system":null,"summary":"MOTOR COACH IND.: THE ALTERNATOR BEARING FAILS ON EXISTING RETENTION NUT DUE TO FAILURE OF PROPER TORQUE UTILIZED FOR LEECE NEVILLE ALTERNATOR PULLEY. MODELS D, E4500, J4500. NO MODEL YEARS LISTED. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10047439","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"alternator","name":"Alternator","parent":"electrical"}],"codes":[],"topics":[],"vehicles":[{"make":"MCI","model":"D SERIES","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"MCI","model":"E SERIES","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"MCI","model":"E4500","year_from":2012,"year_to":2012,"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":2012,"year_to":2012,"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":[]}