{"nhtsa_id":10030324,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2009-09-21","date":"2009-04-03","document_id":"E-09024","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS","mfr_system":null,"summary":"CUMMINS: AIR LEAK PAST COMPRESSOR INLET HOSE COUPLING AT CYLINDER HEAD. SOME ISX CYLINDER HEADS HAVE A SPOT FACE AT THE COMPRESSOR INLET HOSE COUPLING THAT IS SMALLER THAN THE FITTING HEX DIAMETER AND COULD POSSIBLY RESULT IN AN AIR LEAK AT THE JOINT. ISX, QSX15. NO MODEL YEARS LISTED. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10030324","components":[{"id":"engine","name":"Engine","parent":null},{"id":"cooling-system","name":"Cooling system","parent":"engine"}],"codes":[],"topics":[],"vehicles":[{"make":"CUMMINS","model":"CUMMINS","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"CUMMINS","model":"ISX","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":[]}