{"nhtsa_id":10039654,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2011-08-08","date":"2011-01-01","document_id":"FL-581-AB","mfr_campaign":null,"replaces":null,"component":"STEERING:LINKAGES:ARM:IDLER AND ATTACHMENT","mfr_system":null,"summary":"DAIMLER TRUCK SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. A STEERING COMPONENT MAY CRACK AND POSSIBLY BREAK UNDER SEVERE STEERING CONDITIONS. THIS MAY RESULT IN LESS STEERING CONTROL. *RM","document":null,"url":"https://open.wenmarpro.com/bulletins/10039654","components":[{"id":"steering","name":"Steering","parent":null},{"id":"tie-rod","name":"Tie rods and steering linkage","parent":"steering"}],"codes":[],"topics":[],"vehicles":[{"make":"WESTERN STAR","model":"4900 SA","year_from":2002,"year_to":2011,"match":"base","vehicle_ids":["2002_western-star_4900","2003_western-star_4900","2004_western-star_4900","2005_western-star_4900","2006_western-star_4900","2007_western-star_4900","2008_western-star_4900","2009_western-star_4900","2010_western-star_4900","2011_western-star_4900"]}],"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":[]}