{"nhtsa_id":10006207,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2004-04-26","date":"2004-01-14","document_id":"0402","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE","mfr_system":null,"summary":"ON SOME APPLICATIONS THE FAN CLUTCH RELAY AND/OR THE DIODE IN THE EC-450 FAN CLUTCH MAY FAIL AND CAUSE THE FAN CLUTCH NOT TO COME ON. INTERNATIONAL TRUCK MODEL 1552, 1652, 3800, RE BUS, 4300, 4400, 4700, 4800, AND 4900. MODEL YEAR UNKNOWN. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10006207","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"UNKNOWN","model":"UNKNOWN1","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":[]}