{"nhtsa_id":10178947,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-08-31","date":"2020-08-14","document_id":"D20M6","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"Detroit Diesel Field Service Campaign for DETROIT Reman Built HDEP Engines - Incorrect Gear Train Bolt Torque. The gear train mounting bolts need to be checked for proper torque and adjusted as needed.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10178947-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10178947-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10178947","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"FREIGHTLINER","model":"CASCADIA","year_from":2014,"year_to":2016,"match":"exact","vehicle_ids":["2014_freightliner_cascadia","2015_freightliner_cascadia","2016_freightliner_cascadia"]},{"make":"FREIGHTLINER","model":"CASCADIA","year_from":2020,"year_to":2020,"match":"exact","vehicle_ids":["2020_freightliner_cascadia"]},{"make":"WESTERN STAR","model":"4800","year_from":2016,"year_to":2016,"match":"exact","vehicle_ids":["2016_western-star_4800"]},{"make":"WESTERN STAR","model":"5700","year_from":2017,"year_to":2017,"match":"exact","vehicle_ids":["2017_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":[]}