{"nhtsa_id":10185897,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-01-28","date":"2021-01-25","document_id":"WI21-003","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT; ENGINE AND ENGINE COOLING; EQUIPMENT ADAPTIVE/MOBILITY","mfr_system":null,"summary":"Warranty Information Letter for Detroit Bearing Failures - Standard Diagnostic Times. DTNA is increasing repair strategies for determining the root cause of Detroit DD heavy duty lower end bearing failures. To support this strategy change, Detroit now has two (2) Standard Diagnostic Times (SDTs), easy and difficult, which can be applied to repair orders.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10185897-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10185897-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10185897","components":[{"id":"engine","name":"Engine","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"FCCC","model":"XBP","year_from":2016,"year_to":2016,"match":null,"vehicle_ids":[]},{"make":"FCCC","model":"XBP","year_from":2018,"year_to":2018,"match":null,"vehicle_ids":[]},{"make":"FREIGHTLINER","model":"114SD","year_from":2016,"year_to":2019,"match":"exact","vehicle_ids":["2016_freightliner_114sd","2017_freightliner_114sd","2018_freightliner_114sd","2019_freightliner_114sd"]},{"make":"FREIGHTLINER","model":"122SD","year_from":2016,"year_to":2019,"match":null,"vehicle_ids":[]},{"make":"FREIGHTLINER","model":"122SD","year_from":2021,"year_to":2021,"match":null,"vehicle_ids":[]},{"make":"FREIGHTLINER","model":"ARGOSY","year_from":2016,"year_to":2019,"match":"exact","vehicle_ids":["2016_freightliner_argosy","2017_freightliner_argosy","2018_freightliner_argosy","2019_freightliner_argosy"]},{"make":"FREIGHTLINER","model":"BUSINESS CLASS M2","year_from":2016,"year_to":2019,"match":null,"vehicle_ids":[]},{"make":"FREIGHTLINER","model":"CASCADIA","year_from":2016,"year_to":2019,"match":"exact","vehicle_ids":["2016_freightliner_cascadia","2017_freightliner_cascadia","2018_freightliner_cascadia","2019_freightliner_cascadia"]},{"make":"FREIGHTLINER","model":"CASCADIA","year_from":2021,"year_to":2021,"match":"exact","vehicle_ids":["2021_freightliner_cascadia"]},{"make":"FREIGHTLINER","model":"COLUMBIA","year_from":2016,"year_to":2019,"match":"exact","vehicle_ids":["2016_freightliner_columbia","2017_freightliner_columbia","2018_freightliner_columbia","2019_freightliner_columbia"]},{"make":"WESTERN STAR","model":"4700","year_from":2016,"year_to":2019,"match":"exact","vehicle_ids":["2016_western-star_4700","2017_western-star_4700","2018_western-star_4700","2019_western-star_4700"]},{"make":"WESTERN STAR","model":"4800","year_from":2016,"year_to":2019,"match":"exact","vehicle_ids":["2016_western-star_4800","2017_western-star_4800","2018_western-star_4800","2019_western-star_4800"]},{"make":"WESTERN STAR","model":"4900","year_from":2021,"year_to":2021,"match":"exact","vehicle_ids":["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":2016,"year_to":2019,"match":"exact","vehicle_ids":["2016_western-star_5700","2017_western-star_5700","2018_western-star_5700","2019_western-star_5700"]},{"make":"WESTERN STAR","model":"5700","year_from":2021,"year_to":2021,"match":"exact","vehicle_ids":["2021_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":[]}