{"nhtsa_id":10185896,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-01-26","date":"2021-01-17","document_id":"WI21-001","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING; EQUIPMENT","mfr_system":null,"summary":"Warranty Information Letter for Detroit New Service Replacement Engine SRT Update. While validating Standard Repair Times (SRTs) for Detroit's new Gen 5 engine series, DTNA discovered an error in a pre-Gen 5 SRT for the New Service Replacement Engine Program. As a result, DTNA re-studied the SRT and concluded that time for removing/re-installing multiple components (e.g., exhaust manifold/turbo, engine sensor harness, rocker arm assemblies, etc.) should not be included.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10185896-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10185896-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10185896","components":[{"id":"engine","name":"Engine","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"FREIGHTLINER","model":"CASCADIA","year_from":2007,"year_to":2021,"match":"exact","vehicle_ids":["2007_freightliner_cascadia","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"]}],"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":[]}