{"nhtsa_id":10171591,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-02-24","date":"2020-01-23","document_id":"TSB200018-012320","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"This Technical Service Bulletin describes the verification and resolution of fretting of the head gasket combustion seal against the cylinder head combustion face. This causes wear scaring on the cylinder combustion face where the cylinder head contacts the combustion seal on the head gasket.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10171591-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10171591-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10171591","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CUMMINS","model":"ISX15","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":[]}