{"nhtsa_id":10189344,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-03-26","date":"2021-03-08","document_id":"CALFTL49-002","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"Customer Advisory Letter for Adding Exhaust Shim to ATS Exhaust Outlet and Replacing Exhaust Elbow and Clamp. An undersized ATS outlet pipe was installed on these vehicles, causing the exhaust clamp used to fasten the exhaust elbow to not clamp securely.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10189344-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10189344-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10189344","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"FREIGHTLINER","model":"CASCADIA","year_from":2021,"year_to":2022,"match":"exact","vehicle_ids":["2021_freightliner_cascadia","2022_freightliner_cascadia"]}],"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":[]}