{"nhtsa_id":11019946,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-07-01","date":"2025-06-04","document_id":"CBR 2474-1 202506","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN","mfr_system":null,"summary":"CBR - This bulletin provides guidance for identifying and addressing oil intrusion related to the Countershaft Brake (CSB) in AMT-G transmissions.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11019946-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11019946-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11019946","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"MACK","model":"PIONEER PR (4)","year_from":2025,"year_to":2025,"match":"base","vehicle_ids":["2025_mack_pioneer"]}],"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":[]}