{"nhtsa_id":10129849,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-03-12","date":"2018-02-16","document_id":"T1993","mfr_campaign":null,"replaces":null,"component":"ENGINE","mfr_system":null,"summary":"This Temporary Repair Practice (TRP) is being issued to address the degraded or missing cylinder crosshatch on certain ISB6.7 CM2350 B101 and QSB6.7 CM2350 B105 engines. This TRP authorizes certified repair locations to replace the engine if it is determined the cylinder crosshatch is degraded or missing.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10129849-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10129849-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10129849","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"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":[]}