{"nhtsa_id":10055589,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2014-06-18","date":"2014-02-01","document_id":"ASI-44402","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE:DIESEL; FUEL SYSTEM, OTHER:FUEL INJECTION SYSTEM","mfr_system":null,"summary":"FORD: UREA CRYSTALS ARE FORMING IN DIESEL EXHAUST FLUID (DEF) INJECTOR NOZZLE DUE TO SELECTIVE CRYSTAL REDUCTION (SCR) DOSING OF RK7 MEASUREMENT TEST AND MAY NEED TO REINSTALL IF ZERO OR BELOW SPECIFIED 45-55ML. MODEL 2011-2014 F-SUPER DUTY.","document":null,"url":"https://open.wenmarpro.com/bulletins/10055589","components":[{"id":"engine","name":"Engine","parent":null},{"id":"fuel-system","name":"Fuel system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"FORD","model":"F-250 SD","year_from":2011,"year_to":2014,"match":"base","vehicle_ids":["2011_ford_f-250","2012_ford_f-250","2013_ford_f-250","2014_ford_f-250"]},{"make":"FORD","model":"F-350 SD","year_from":2011,"year_to":2014,"match":"base","vehicle_ids":["2011_ford_f-350","2012_ford_f-350","2013_ford_f-350","2014_ford_f-350"]},{"make":"FORD","model":"F-450 SD","year_from":2011,"year_to":2014,"match":"base","vehicle_ids":["2011_ford_f-450","2012_ford_f-450","2013_ford_f-450","2014_ford_f-450"]},{"make":"FORD","model":"F-550 SD","year_from":2012,"year_to":2014,"match":"base","vehicle_ids":["2012_ford_f-550","2013_ford_f-550","2014_ford_f-550"]},{"make":"FORD","model":"F-650 SD","year_from":2011,"year_to":2014,"match":"base","vehicle_ids":["2011_ford_f-650","2012_ford_f-650","2013_ford_f-650","2014_ford_f-650"]},{"make":"FORD","model":"F-750 SD","year_from":2011,"year_to":2014,"match":"base","vehicle_ids":["2011_ford_f-750","2012_ford_f-750","2013_ford_f-750","2014_ford_f-750"]}],"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":[]}