{"nhtsa_id":10140820,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-06-11","date":"2015-02-01","document_id":"20-22","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"20-22 - Premature Belt Wear on Cummins ISL","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10140820-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10140820-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10140820","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"WESTERN STAR","model":"4700","year_from":2002,"year_to":2019,"match":"exact","vehicle_ids":["2002_western-star_4700","2003_western-star_4700","2004_western-star_4700","2005_western-star_4700","2006_western-star_4700","2007_western-star_4700","2008_western-star_4700","2009_western-star_4700","2010_western-star_4700","2011_western-star_4700","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"]}],"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":[]}