{"nhtsa_id":10058302,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2015-08-29","date":"2015-03-01","document_id":"FSC-SF 504A-C","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE","mfr_system":null,"summary":"DAIMLER TRUCKS: EXHAUST TAILPIPE TERMINATING NEAR CNG TANK PROTECTOR RELIEF VALVE AND CONTINUAL HEATING OF EXHAUST DISCHARGE RESULTS IN CNG VENTING AND HAVING TAILPIPE EXTENSION INSTALLED, AND AWAY FROM CNG TANK PROTECTION RELIEF VALVE. MODEL 2012-14 CASCADIA.","document":null,"url":"https://open.wenmarpro.com/bulletins/10058302","components":[{"id":"engine","name":"Engine","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null},{"id":"exhaust-pipe","name":"Exhaust manifold, pipes and muffler","parent":"exhaust-emissions"}],"codes":[],"topics":[],"vehicles":[{"make":"FREIGHTLINER","model":"CASCADIA","year_from":2012,"year_to":2014,"match":"exact","vehicle_ids":["2012_freightliner_cascadia","2013_freightliner_cascadia","2014_freightliner_cascadia"]}],"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":[]}