{"nhtsa_id":10046720,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2012-10-18","date":"2012-09-01","document_id":"SB-49-5","mfr_campaign":null,"replaces":null,"component":"FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY","mfr_system":null,"summary":"THOMAS BUILT: WHEN DIESEL EXHAUST FLUID (DEF) SYSTEM SITS FOR EXTENDED LENGTH OF TIME, THE TANK MAY CRYSTALLIZE AROUND FLOAT ON DEF LEVEL SENDING UNIT TUBE AND NEEDS CLEANING OR IT CAN CAUSE FLOAT TO STICK. MODEL SAF-T-LINER C2. NO MODEL YEARS LISTED. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10046720","components":[{"id":"fuel-system","name":"Fuel system","parent":null},{"id":"fuel-tank","name":"Fuel tank","parent":"fuel-system"}],"codes":[],"topics":[],"vehicles":[{"make":"THOMAS BUILT","model":"SAF-T-LINER C2","year_from":2010,"year_to":2011,"match":null,"vehicle_ids":[]},{"make":"THOMAS BUILT BUSES","model":"SAF-T-LINER C2","year_from":2010,"year_to":2013,"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":[]}