{"nhtsa_id":10085566,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2016-12-06","date":"2013-11-05","document_id":"T1413","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS; ENGINE","mfr_system":null,"summary":"THIS CAMPAIGN ADDRESSES ACCESSORY DRIVE BELT ISSUES CAUSED BY FRONT END PULLEY SYSTEM MISALIGNMENT ON CERTAIN ENGINES INSTALLED IN GILLIG TRANSIT BUSES. THE RUBBER DAMPER IS BEING REPLACED BY THE VISCOUS DAMPER AND WILL IMPROVE PULLEY SYSTEM ALIGNMENT.","document":null,"url":"https://open.wenmarpro.com/bulletins/10085566","components":[{"id":"engine","name":"Engine","parent":null},{"id":"drive-belt","name":"Drive belts","parent":"engine"}],"codes":[],"topics":[],"vehicles":[{"make":"CUMMINS","model":"ISL9","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":[]}