{"nhtsa_id":11017553,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-05-02","date":"2025-04-30","document_id":"TSB26-008-WST","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN","mfr_system":null,"summary":"Service Solution for DT12 Oil Plug Ports","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11017553-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11017553-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11017553","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"WESTERN STAR","model":"4700","year_from":2015,"year_to":2020,"match":"exact","vehicle_ids":["2015_western-star_4700","2016_western-star_4700","2017_western-star_4700","2018_western-star_4700","2019_western-star_4700","2020_western-star_4700"]},{"make":"WESTERN STAR","model":"47X","year_from":2021,"year_to":2026,"match":null,"vehicle_ids":[]},{"make":"WESTERN STAR","model":"49X","year_from":2020,"year_to":2026,"match":null,"vehicle_ids":[]},{"make":"WESTERN STAR","model":"5700","year_from":2015,"year_to":2022,"match":"exact","vehicle_ids":["2015_western-star_5700","2016_western-star_5700","2017_western-star_5700","2018_western-star_5700","2019_western-star_5700","2020_western-star_5700","2021_western-star_5700","2022_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":[]}