{"nhtsa_id":10084733,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2016-11-23","date":"2016-07-22","document_id":"C1763D","mfr_campaign":null,"replaces":null,"component":"ENGINE","mfr_system":null,"summary":"THIS IN-SHOP CAMPAIGN IS BEING ISSUED TO ADDRESS O-RING LEAKS IN CERTAIN ISX/QSX CM2250, CM2250 SN, CM2350 LUBE COOLER HOUSINGS RESULTING FROM SUSPECT O-RING MATERIAL. CERTIFIED REPAIR LOCATIONS ARE AUTHORIZED TO REPLACE THE O-RINGS ON THE LUBE OIL COOLER HOUSING. THIS IN-SHOP CAMPAIGN CAN BE COMPLETED ANYTIME THE UNIT IS IN FOR MAINTENANCE OR REPAIRS, WITH CERTAIN RESTRICTIONS ON REIMBURSEMENT. THIS IS AN UPDATE TO A PREVIOUSLY SUBMITTED COMMUNICATION.","document":null,"url":"https://open.wenmarpro.com/bulletins/10084733","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CUMMINS","model":"ISX15","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":[]}