{"nhtsa_id":10127385,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-01-29","date":"2017-11-16","document_id":"TSB140017-111320","mfr_campaign":null,"replaces":null,"component":"ENGINE","mfr_system":null,"summary":"This Technical Service Bulletin describes the verification and resolution of a lubricating oil leak and high crankcase pressure fault codes on engines with an internal crankcase breather filter. The engines are experiencing crankcase breather tube freezing issues in below freezing temperatures.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10127385-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10127385-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10127385","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CUMMINS","model":"B6.7","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"CUMMINS","model":"ISB6.7","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":[]}