{"nhtsa_id":10052270,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2013-07-08","date":"2013-05-01","document_id":"SBW-4714","mfr_campaign":null,"replaces":null,"component":"FUEL SYSTEM, GASOLINE","mfr_system":null,"summary":"WESTERN STAR: FUEL TANKS ROTATING IN SADDLES. ANTI-SLIP MATERIAL MAY NEED TO BE INSTALLED, OR AN ADDITIONAL STRIP OF RUBBER. *JS","document":null,"url":"https://open.wenmarpro.com/bulletins/10052270","components":[{"id":"fuel-system","name":"Fuel system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"WESTERN STAR","model":"4900","year_from":1994,"year_to":2010,"match":"exact","vehicle_ids":["1994_western-star_4900","1995_western-star_4900","1996_western-star_4900","1997_western-star_4900","1998_western-star_4900","1999_western-star_4900","2000_western-star_4900","2001_western-star_4900","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"]},{"make":"WESTERN STAR","model":"CONSTELLATION","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"WESTERN STAR","model":"HERITAGE","year_from":null,"year_to":null,"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":[]}