{"nhtsa_id":10049499,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2013-01-16","date":"2012-12-01","document_id":"AFC-12942","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN","mfr_system":null,"summary":"NAVISTAR: FAN CLUTCH HARNESS ROUTING REPAIR. THE FAN CLUTCH HARNESS CAN RUB ON THE FAN WIRING HARNESS BRACKET AND CAUSE INTERMITTENT FAULT CODES. SOME OF THE SYMPTOMS CAN INCLUDE LOW POWER, ERRATIC FAN ENGAGEMENT, NO FAN ENGAGEMENT, OR A VREF 4 DTC CODE. THIS REPAIR WILL REQUIRE REROUTING THE HARNESS, INSPECTING THE HARNESS FOR ABRASION, AND REPAIRING THE HARNESS, IF REQUIRED. *JS","document":null,"url":"https://open.wenmarpro.com/bulletins/10049499","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":2010,"year_to":2012,"match":null,"vehicle_ids":[]},{"make":"INTERNATIONAL","model":"TRANSTAR","year_from":2010,"year_to":2012,"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":[]}