{"nhtsa_id":10166516,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-10-26","date":"2019-10-25","document_id":"19TL-18","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"Tool Letter for updating Cascadia and Western Star 5700 oil-to-air coolers. To be used with service bulletins SB26-051 and SB26004 respectively.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10166516-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10166516-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10166516","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"FREIGHTLINER","model":"CASCADIA","year_from":2013,"year_to":2020,"match":"exact","vehicle_ids":["2013_freightliner_cascadia","2014_freightliner_cascadia","2015_freightliner_cascadia","2016_freightliner_cascadia","2017_freightliner_cascadia","2018_freightliner_cascadia","2019_freightliner_cascadia","2020_freightliner_cascadia"]},{"make":"WESTERN STAR","model":"5700","year_from":2013,"year_to":2020,"match":"exact","vehicle_ids":["2013_western-star_5700","2014_western-star_5700","2015_western-star_5700","2016_western-star_5700","2017_western-star_5700","2018_western-star_5700","2019_western-star_5700","2020_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":[]}