{"nhtsa_id":10030308,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2009-09-21","date":"2009-03-01","document_id":"B-09T8-8","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS; ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN","mfr_system":null,"summary":"CUMMINS: NEW BACKSIDE IDLER. THIS IDLER IS BEING RELEASED TO CORRECT THE BELT FRAYING AND/OR BELT BREAKAGE ISSUES WITH 457MM [18IN] OR GREATER FAN CENTERS. MODEL 8SX, QSX15. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10030308","components":[{"id":"engine","name":"Engine","parent":null},{"id":"cooling-fan","name":"Cooling fan","parent":"engine"},{"id":"cooling-system","name":"Cooling system","parent":"engine"},{"id":"drive-belt","name":"Drive belts","parent":"engine"}],"codes":[],"topics":[],"vehicles":[{"make":"CUMMINS","model":"ISX","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"CUMMINS","model":"QSX15","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":[]}