{"nhtsa_id":46413,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1996-04-25","date":"1995-10-01","document_id":"9514","mfr_campaign":null,"replaces":"9/21/95","component":"ENGINE AND ENGINE COOLING:ENGINE","mfr_system":null,"summary":"THIS INFO SUPERSEDES THE 9/21/95 THURSDAY TOSS ON PISTON SKIRT INSPECTION THIS APPLIES TO L10, M11, N14, AND QSK DIESEL ENGINES WITH ARTICULATED PISTONS. THE FOREIGN MATERIAL , WHICH CAN BE A PIECE OF VALVE, INJECTOR, VALVE INSERT OR DEBRIS FROM OUT OF THE INTAKE SYSTEM, CREATES ABNORMAL LOADS (COCKING) ON THE PISTON. THIS IN TURN CAN CAUSE THE SKIRT OF THE PISTON TO CRACK OR BREAK.","document":null,"url":"https://open.wenmarpro.com/bulletins/46413","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":[]}