{"nhtsa_id":10145893,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-10-22","date":"2018-09-27","document_id":"IS 278","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN","mfr_system":null,"summary":"Instructions for identify the correct seal ring when overhauling transmissions","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10145893-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10145893-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10145893","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"ALLISON","model":"TRANSMISSION","year_from":null,"year_to":null,"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":[]}