{"nhtsa_id":10142080,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-06-18","date":"2013-04-01","document_id":"SF481-D","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:EXHAUST SYSTEM","mfr_system":null,"summary":"SF481-DLR Western Star 4700 Exhaust Drain Holes","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10142080-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10142080-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10142080","components":[{"id":"engine","name":"Engine","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"WESTERN STAR","model":"4700","year_from":2011,"year_to":2013,"match":"exact","vehicle_ids":["2011_western-star_4700","2012_western-star_4700","2013_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":[]}