{"nhtsa_id":10051773,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2013-04-10","date":"2012-12-21","document_id":"TSB-120299","mfr_campaign":null,"replaces":null,"component":"ENGINE","mfr_system":null,"summary":"CUMMINS: ON SOME ENGINES (ISX12 CM22250/ISX15 CM2250), BELT IS SHREDDING. THE TIGHT SIDE IDLER BRACKET USE ON FAN CENTERS 457.2MM (18 INS) OR MORE IN ANY CHASSIS AND FAN CENTERS LESS THAN 457.2MM (18 INS) WILL EXPERIENCE THIS MALFUNCTION AND NOTICES ENGINE OVERHEATING. MODELS KENWORTH W900 AND PETERBILT 367HH, 388, 389. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10051773","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CUMMINS","model":"ISX","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"CUMMINS","model":"ISX15","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":[]}