{"nhtsa_id":10119163,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-10-15","date":"2014-06-06","document_id":"SB 411","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:EXHAUST SYSTEM","mfr_system":null,"summary":"This Service Bulletin informs affected customers that the diesel exhaust fluid (DEF) pressure line may exhibit signs of fatigue and melting on model year 2011-2014 MCI J4500 model coaches, and that MCI will remedy the affected coaches at no cost to the customers.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2014/MC-10119163-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2014/MC-10119163-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10119163","components":[{"id":"engine","name":"Engine","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"MCI","model":"J4500","year_from":2011,"year_to":2014,"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":[]}