{"nhtsa_id":10117352,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-09-14","date":"2017-06-09","document_id":"C1905","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"This Before-In-Service Campaign is being issued to address rear crankshaft seals on certain X12 and X15 Engines built in April 2017. Engines on the eligible list have an increased opportunity for a rear crankshaft seal leak. To prevent customer down time, this campaign authorizes certified repair locations to replace the rear crankshaft seal on eligible engines that are not yet in service.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10117352-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10117352-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10117352","components":[{"id":"engine","name":"Engine","parent":null}],"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":[]}