{"nhtsa_id":11028372,"type":"other","type_name":"Other","date_added":"2026-02-05","date":"2026-01-20","document_id":"IS379 Rev B","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN","mfr_system":"Transmission","summary":"Notice with procedure for oil sampling and analyzing fluid","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11028372-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11028372-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11028372","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":[]}