{"nhtsa_id":10183733,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-12-07","date":"2020-12-06","document_id":"20TS-09","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"Technical Service Letter for SPN 3711 FMI 31 on GHG17 DD15 Trucks.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10183733-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10183733-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10183733","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"FREIGHTLINER","model":"122SD","year_from":2014,"year_to":2021,"match":null,"vehicle_ids":[]},{"make":"FREIGHTLINER","model":"CASCADIA","year_from":2008,"year_to":2021,"match":"exact","vehicle_ids":["2008_freightliner_cascadia","2009_freightliner_cascadia","2010_freightliner_cascadia","2011_freightliner_cascadia","2012_freightliner_cascadia","2013_freightliner_cascadia","2014_freightliner_cascadia","2015_freightliner_cascadia","2016_freightliner_cascadia","2017_freightliner_cascadia","2018_freightliner_cascadia","2019_freightliner_cascadia","2020_freightliner_cascadia","2021_freightliner_cascadia"]},{"make":"FREIGHTLINER","model":"CENTURY","year_from":2009,"year_to":2010,"match":null,"vehicle_ids":[]},{"make":"FREIGHTLINER","model":"COLUMBIA","year_from":2009,"year_to":2011,"match":"exact","vehicle_ids":["2009_freightliner_columbia","2010_freightliner_columbia","2011_freightliner_columbia"]},{"make":"FREIGHTLINER","model":"CORONADO","year_from":2010,"year_to":2013,"match":"exact","vehicle_ids":["2010_freightliner_coronado","2011_freightliner_coronado","2012_freightliner_coronado","2013_freightliner_coronado"]},{"make":"STERLING","model":"9500","year_from":2008,"year_to":2010,"match":null,"vehicle_ids":[]},{"make":"STERLING","model":"LT9500","year_from":2008,"year_to":2008,"match":null,"vehicle_ids":[]},{"make":"WESTERN STAR","model":"4900","year_from":2009,"year_to":2021,"match":"exact","vehicle_ids":["2009_western-star_4900","2010_western-star_4900","2011_western-star_4900","2012_western-star_4900","2013_western-star_4900","2014_western-star_4900","2015_western-star_4900","2016_western-star_4900","2017_western-star_4900","2018_western-star_4900","2019_western-star_4900","2020_western-star_4900","2021_western-star_4900"]},{"make":"WESTERN STAR","model":"49X","year_from":2021,"year_to":2021,"match":null,"vehicle_ids":[]},{"make":"WESTERN STAR","model":"5700","year_from":2015,"year_to":2021,"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"]},{"make":"WESTERN STAR","model":"6900","year_from":2011,"year_to":2012,"match":"exact","vehicle_ids":["2011_western-star_6900","2012_western-star_6900"]},{"make":"WESTERN STAR","model":"6900","year_from":2015,"year_to":2015,"match":"exact","vehicle_ids":["2015_western-star_6900"]}],"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":[]}