{"nhtsa_id":10021307,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2007-04-03","date":"2009-03-01","document_id":"3522","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT; POWER TRAIN:AXLE ASSEMBLY","mfr_system":null,"summary":"TANDEM AXLE INPUT SEAL LEAKS. FREIGHTLINER. MODELS FLD CONVENTIONAL, BUSINESS CLASS, CENTURY CLASS CONVENTIONAL, ARGOSY COE, COLUMBIA, CONDOR, CORONADO, BUSINESS CLASS M2. *KB UPDATED 7/6/09. MODELS INCLUDE CARGO AND CASCADIA. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10021307","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"axle","name":"Axle","parent":"powertrain"},{"id":"differential","name":"Differential","parent":"powertrain"}],"codes":[],"topics":[],"vehicles":[{"make":"FREIGHTLINER","model":"FREIGHTLINER","year_from":null,"year_to":null,"match":"exact","vehicle_ids":[]},{"make":"UNKNOWN","model":"UNKNOWN","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":[]}