{"nhtsa_id":10086041,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2016-12-13","date":"2015-07-28","document_id":"TSB150123-072715","mfr_campaign":null,"replaces":null,"component":"ENGINE; EQUIPMENT","mfr_system":null,"summary":"THIS TECHNICAL SERVICE BULLETIN DESRIBES THE VERIFICATION AND RESOLUTION OF OIL CARRYOVER ON KNORR-BREMSE TWIN CYLINDER AIR COMPRESSORS ON CERTAIN ENGINES. EXTERNAL OIL LEAKS FROM THE AIR COMPRESSOR AIR DISCHARGE LINE IS DUE TO UNDERSIZED AIR COMPRESSOR AIR INTAKE AND AIR DISCHARGE PIPE.","document":null,"url":"https://open.wenmarpro.com/bulletins/10086041","components":[{"id":"engine","name":"Engine","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CUMMINS","model":"ISM 11","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":[]}