{"nhtsa_id":10172589,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-03-19","date":"2020-03-18","document_id":"CAL80KSIFRAMEREV","mfr_campaign":null,"replaces":null,"component":"STRUCTURE; SUSPENSION:REAR","mfr_system":null,"summary":"Customer Advisory Letter revision for 80KSI Frame Reinforcement Installation for certain vehicles equipped with 80KSI frame rails and Airliner 21,000LB rear suspensions. This version updates information from prior submission, 20MC5482, CAL80KSIFRAME.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10172589-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10172589-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10172589","components":[{"id":"structure-body","name":"Body and frame","parent":null},{"id":"suspension","name":"Suspension","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"FREIGHTLINER","model":"BUSINESS CLASS M2","year_from":2015,"year_to":2015,"match":null,"vehicle_ids":[]},{"make":"FREIGHTLINER","model":"BUSINESS CLASS M2","year_from":2017,"year_to":2018,"match":null,"vehicle_ids":[]}],"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":[]}