{"nhtsa_id":10193657,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-05-18","date":"2014-01-25","document_id":"WSTCAE121-2014","mfr_campaign":null,"replaces":null,"component":"SERVICE BRAKES, HYDRAULIC; SERVICE BRAKES, AIR","mfr_system":null,"summary":"AIR BRAKE RESERVOIRS - NEW TRIPLE CHAMBER AIR TANK","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2014/MC-10193657-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2014/MC-10193657-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10193657","components":[{"id":"brakes","name":"Brakes","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"WESTERN STAR","model":"4800","year_from":2015,"year_to":2015,"match":"exact","vehicle_ids":["2015_western-star_4800"]},{"make":"WESTERN STAR","model":"4900","year_from":2015,"year_to":2015,"match":"exact","vehicle_ids":["2015_western-star_4900"]}],"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":[]}