{"nhtsa_id":10027564,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2009-01-27","date":"2009-01-26","document_id":"20801-C","mfr_campaign":null,"replaces":null,"component":"STEERING:LINKAGES:KNUCKLE:SPINDLE:ARM; STEERING:LINKAGES:ARM:IDLER AND ATTACHMENT","mfr_system":null,"summary":"WORKHORSE CHASSIS: STEERING ARM CASTLE NUT. THE MODELS MAY HAVE HAD A DRAG LINK TO STEERING ARM CASTLE NUT STRIPPED FROM AN OVER TORQUE CONDITION. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10027564","components":[{"id":"steering","name":"Steering","parent":null},{"id":"tie-rod","name":"Tie rods and steering linkage","parent":"steering"}],"codes":[],"topics":[],"vehicles":[{"make":"WORKHORSE","model":"W18","year_from":2006,"year_to":2008,"match":"exact","vehicle_ids":["2006_workhorse_w18","2007_workhorse_w18","2008_workhorse_w18"]},{"make":"WORKHORSE","model":"W42","year_from":2006,"year_to":2008,"match":"exact","vehicle_ids":["2006_workhorse_w42","2007_workhorse_w42","2008_workhorse_w42"]}],"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":[]}