{"nhtsa_id":10056741,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2015-02-11","date":"2014-10-07","document_id":"TSB-12028","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER","mfr_system":null,"summary":"CUMMINS: DUE TO AN ISSUE OF HEAVY BUILD UP DEPOSITS IN NOZZLE RING AND OUTER SEAL RING IN TURBINE HOUSING, CAUSED BY COOLANT IN EXHAUST GAS, MANY OF THE TURBOCHARGER ARE BEING REPLACED ON CERTAIN ENGINES. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10056741","components":[{"id":"engine","name":"Engine","parent":null},{"id":"turbocharger","name":"Turbocharger or supercharger","parent":"engine"}],"codes":[],"topics":[],"vehicles":[{"make":"CUMMINS","model":"CUMMINS","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":[]}