{"nhtsa_id":10056842,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2015-02-27","date":"2014-09-01","document_id":"FSB-35-23","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT:MECHANICAL","mfr_system":null,"summary":"FREIGHTLINER: ON THE FORWARD REAR DIFFERENTIAL, WITH EXTERNAL BREATHER, IS AN OIL LEAK, AND NOW AN INTERNAL BREATHER REMEDY IS AVAILABLE FOR INSTALLATION. MODEL FLD CONVENTIONAL, CENTURY CLASS CONVENTIONAL, ARGOSY COE, COLUMBIA, BUSINESS CLASS M2, CASCADIA. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10056842","components":[{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"FREIGHTLINER","model":"BUSINESS CLASS M2","year_from":2015,"year_to":2015,"match":null,"vehicle_ids":[]},{"make":"FREIGHTLINER","model":"CASCADIA","year_from":2015,"year_to":2015,"match":"exact","vehicle_ids":["2015_freightliner_cascadia"]},{"make":"FREIGHTLINER","model":"CENTURY CLASS","year_from":2012,"year_to":2012,"match":null,"vehicle_ids":[]},{"make":"FREIGHTLINER","model":"COLUMBIA","year_from":2014,"year_to":2014,"match":"exact","vehicle_ids":["2014_freightliner_columbia"]},{"make":"FREIGHTLINER","model":"FLD","year_from":2011,"year_to":2011,"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":[]}