{"nhtsa_id":10036669,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2011-04-08","date":"2010-12-23","document_id":"IK-1200547","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN; ENGINE AND ENGINE COOLING:ENGINE:DIESEL","mfr_system":null,"summary":"NAVISTAR: THE 2010 PROSTAR AND FANSTAR WITH A 2010 MAXXFORCE EMISSIONS AND VARIABLE SPEED FAN DRIVE CAN HAVE A SITUATION WHERE THE FAN IS ALWAYS ENGAGED WITH CODE 12THX (HORTON VISCOUS FAN DRIVE). ENGINE WARNING LIGHT, FAULT CODES, FAN DRIVE REMAINS ENGAGED. NO MODEL YEARS LISTED. *PE *RM","document":null,"url":"https://open.wenmarpro.com/bulletins/10036669","components":[{"id":"engine","name":"Engine","parent":null},{"id":"cooling-fan","name":"Cooling fan","parent":"engine"},{"id":"cooling-system","name":"Cooling system","parent":"engine"}],"codes":[],"topics":[],"vehicles":[{"make":"INTERNATIONAL","model":"PROSTAR","year_from":2011,"year_to":2011,"match":null,"vehicle_ids":[]},{"make":"INTL","model":"TRANSTAR","year_from":2007,"year_to":2007,"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":[]}