{"nhtsa_id":10243446,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-10-03","date":"2023-09-22","document_id":"S3102 202309","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE","mfr_system":null,"summary":"Fleet Campaign: CNG Exhaust Pipe Modification","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10243446-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10243446-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10243446","components":[{"id":"engine","name":"Engine","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null},{"id":"exhaust-pipe","name":"Exhaust manifold, pipes and muffler","parent":"exhaust-emissions"}],"codes":[],"topics":[],"vehicles":[{"make":"MACK","model":"ANTHEM (AN)","year_from":2022,"year_to":2023,"match":"base","vehicle_ids":["2022_mack_anthem","2023_mack_anthem"]}],"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":[]}