{"nhtsa_id":10170323,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-01-21","date":"2020-01-20","document_id":"SS1034621","mfr_campaign":null,"replaces":null,"component":"SUSPENSION","mfr_system":null,"summary":"Service Solution for Western Star vehicles equipped with Hendrickson AIRTEK Axles experiencing a Harsh Ride.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10170323-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10170323-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10170323","components":[{"id":"suspension","name":"Suspension","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"WESTERN STAR","model":"4800","year_from":2004,"year_to":2020,"match":"exact","vehicle_ids":["2004_western-star_4800","2005_western-star_4800","2006_western-star_4800","2007_western-star_4800","2008_western-star_4800","2009_western-star_4800","2010_western-star_4800","2011_western-star_4800","2012_western-star_4800","2013_western-star_4800","2014_western-star_4800","2015_western-star_4800","2016_western-star_4800","2017_western-star_4800","2018_western-star_4800","2019_western-star_4800","2020_western-star_4800"]},{"make":"WESTERN STAR","model":"4900","year_from":2004,"year_to":2020,"match":"exact","vehicle_ids":["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","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","2020_western-star_4900"]},{"make":"WESTERN STAR","model":"5700","year_from":2004,"year_to":2020,"match":"exact","vehicle_ids":["2004_western-star_5700","2005_western-star_5700","2006_western-star_5700","2007_western-star_5700","2008_western-star_5700","2009_western-star_5700","2010_western-star_5700","2011_western-star_5700","2012_western-star_5700","2013_western-star_5700","2014_western-star_5700","2015_western-star_5700","2016_western-star_5700","2017_western-star_5700","2018_western-star_5700","2019_western-star_5700","2020_western-star_5700"]}],"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":[]}