{"nhtsa_id":10036587,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2011-04-04","date":"2012-01-01","document_id":"SB-49-26","mfr_campaign":null,"replaces":"SB-49-26-A","component":"ENGINE AND ENGINE COOLING:EXHAUST SYSTEM","mfr_system":null,"summary":"FREIGHTLINER: EXHAUST BELLOWS REPLACEMENT. HAVE A FAILED EXHAUST BELLOWS ON AN EPA07 ENGINE INSTALLATION, REPLACE WITH A NEW STYLE BELLOWS, AND TWO NEW MATCHING CLAMPS. MODELS CENTURY CLASS CONVENTIONAL, COLUMBIA CASCADIA, CORONADO, AND BUSINESS CLASS M2. *PE UPDATED 4/24/12. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10036587","components":[{"id":"engine","name":"Engine","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"FREIGHTLINER","model":"BUSINESS CLASS M2","year_from":2011,"year_to":2011,"match":null,"vehicle_ids":[]},{"make":"FREIGHTLINER","model":"CASCADIA","year_from":2010,"year_to":2010,"match":"exact","vehicle_ids":["2010_freightliner_cascadia"]},{"make":"FREIGHTLINER","model":"CENTURY CLASS","year_from":2010,"year_to":2010,"match":null,"vehicle_ids":[]},{"make":"FREIGHTLINER","model":"COLUMBIA","year_from":2011,"year_to":2011,"match":"exact","vehicle_ids":["2011_freightliner_columbia"]},{"make":"FREIGHTLINER","model":"CORONADO","year_from":2010,"year_to":2010,"match":"exact","vehicle_ids":["2010_freightliner_coronado"]}],"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":[]}