{"nhtsa_id":10046742,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2012-10-23","date":"2012-09-01","document_id":"FSB-49-7","mfr_campaign":null,"replaces":null,"component":"FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM; FUEL SYSTEM, DIESEL","mfr_system":null,"summary":"FREIGHTLINER: DIESEL EXHAUST FLUID (DEF) MAY CRYSTALLIZE, WHEN SITTING FOR AN EXTENDED LENGTH OF TIME, IN TANK, AROUND FLOAT, POSSIBLY CAUSING IT TO STICK, ON DEF LEVEL SENDING UNIT TUBE AND NEEDS TO BE CLEANED. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10046742","components":[{"id":"fuel-system","name":"Fuel system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"FREIGHTLINER","model":"RECREATIONAL VEHICLE","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"FREIGHTLINER","model":"S2","year_from":2009,"year_to":2009,"match":null,"vehicle_ids":[]},{"make":"FREIGHTLINER","model":"SHUTTLE BUS","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"FREIGHTLINER","model":"WALK-IN VAN","year_from":null,"year_to":null,"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":[]}