{"nhtsa_id":11016347,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-04-02","date":"2025-03-12","document_id":"CBR-2449 202503","mfr_campaign":null,"replaces":null,"component":"ENGINE","mfr_system":null,"summary":"Cummins Exhaust Aftertreatment System (EATS) catalysts may experience cracking, which may be attributed to excessive vertical vibration in the exhaust stack. To mitigate this issue, a modification to the exhaust stack length is required.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11016347-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11016347-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11016347","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"MACK","model":"ANTHEM (AN)","year_from":2016,"year_to":2017,"match":null,"vehicle_ids":[]},{"make":"MACK","model":"ANTHEM (AN)","year_from":2018,"year_to":2026,"match":"base","vehicle_ids":["2018_mack_anthem","2019_mack_anthem","2020_mack_anthem","2021_mack_anthem","2022_mack_anthem","2023_mack_anthem","2024_mack_anthem","2025_mack_anthem","2026_mack_anthem"]},{"make":"MACK","model":"CXU","year_from":2014,"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":[]}