{"nhtsa_id":10051702,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2013-04-03","date":"2012-11-01","document_id":"SF-471-AB","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT; WHEELS","mfr_system":null,"summary":"DAIMLER TRUCK: THICKNESS AND EXCESS MATERIAL FROM DIE PUNCHING MAY PREVENT RETAINING SNAP RINGS FROM FULLY SEATING IN DIFFERENTIAL LOCK SHIFT FORK ASSEMBLIES, CAUSING DIFFERENTIAL LOCK TO REMAIN UNENGAGED OR ENGAGED. MODELS 2011-2012 BUSINESS CLASS M2, CASCADIA, COLUMBIA, CORONADO, WESTERN STAR 4900. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10051702","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"wheels","name":"Wheels","parent":null},{"id":"axle","name":"Axle","parent":"powertrain"}],"codes":[],"topics":[],"vehicles":[{"make":"FREIGHTLINER","model":"BUSINESS CLASS M2","year_from":2011,"year_to":2012,"match":null,"vehicle_ids":[]},{"make":"FREIGHTLINER","model":"CASCADIA","year_from":2011,"year_to":2012,"match":"exact","vehicle_ids":["2011_freightliner_cascadia","2012_freightliner_cascadia"]},{"make":"FREIGHTLINER","model":"COLUMBIA","year_from":2011,"year_to":2012,"match":"exact","vehicle_ids":["2011_freightliner_columbia","2012_freightliner_columbia"]},{"make":"FREIGHTLINER","model":"CORONADO","year_from":2011,"year_to":2012,"match":"exact","vehicle_ids":["2011_freightliner_coronado","2012_freightliner_coronado"]},{"make":"FREIGHTLINER","model":"WESTERN STAR","year_from":2011,"year_to":2012,"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":[]}