{"nhtsa_id":10145447,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-10-15","date":"2017-09-25","document_id":"C2079","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"This campaign is being issued to replace ISL G CM2180 engine piston rings and Exhaust Gas Recirculation (EGR) cooler in certain transit buses with factory installed steel pistons that may result in increased oil consumption. This campaign authorizes the repair location to replace the piston ring sets, clean the pistons, and replace the EGR cooler.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10145447-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10145447-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10145447","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CUMMINS","model":"ISL G","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":[]}