{"nhtsa_id":10141784,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-06-18","date":"2018-02-26","document_id":"sbw4206","mfr_campaign":null,"replaces":null,"component":"SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DRUM; SERVICE BRAKES, AIR:DRUM","mfr_system":null,"summary":"sbw4206 Brake Shimmy?Meritor® SteeLite X30? Brake Drum With Excessive Runout","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10141784-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10141784-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10141784","components":[{"id":"brakes","name":"Brakes","parent":null},{"id":"brake-drum-shoe","name":"Brake drums and shoes","parent":"brakes"}],"codes":[],"topics":[],"vehicles":[{"make":"WESTERN STAR","model":"4700","year_from":2012,"year_to":2019,"match":"exact","vehicle_ids":["2012_western-star_4700","2013_western-star_4700","2014_western-star_4700","2015_western-star_4700","2016_western-star_4700","2017_western-star_4700","2018_western-star_4700","2019_western-star_4700"]},{"make":"WESTERN STAR","model":"4800","year_from":2012,"year_to":2017,"match":"exact","vehicle_ids":["2012_western-star_4800","2013_western-star_4800","2014_western-star_4800","2015_western-star_4800","2016_western-star_4800","2017_western-star_4800"]},{"make":"WESTERN STAR","model":"4900","year_from":2012,"year_to":2019,"match":"exact","vehicle_ids":["2012_western-star_4900","2013_western-star_4900","2014_western-star_4900","2015_western-star_4900","2016_western-star_4900","2017_western-star_4900","2018_western-star_4900","2019_western-star_4900"]},{"make":"WESTERN STAR","model":"5900","year_from":2012,"year_to":2017,"match":"exact","vehicle_ids":["2012_western-star_5900","2013_western-star_5900","2014_western-star_5900","2015_western-star_5900","2016_western-star_5900","2017_western-star_5900"]},{"make":"WESTERN STAR","model":"6900","year_from":2012,"year_to":2019,"match":"exact","vehicle_ids":["2012_western-star_6900","2013_western-star_6900","2014_western-star_6900","2015_western-star_6900","2016_western-star_6900","2017_western-star_6900","2018_western-star_6900","2019_western-star_6900"]},{"make":"WESTERN STAR","model":"CONSTELLATION","year_from":2012,"year_to":2013,"match":null,"vehicle_ids":[]},{"make":"WESTERN STAR","model":"CONSTELLATION","year_from":2015,"year_to":2016,"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":[]}