{"nhtsa_id":614234,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2000-10-04","date":"2000-06-01","document_id":"321010","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR","mfr_system":null,"summary":"SOME VN VEHICLES MANUFACTURED BETWEEN 990801 AND 000423 WITH A CUMMINS ISM ENGINE MAY EXPERIENCE PREMATURE FAILURE OF THE ALTERNATOR BELT. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/614234","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"alternator","name":"Alternator","parent":"electrical"}],"codes":[],"topics":[],"vehicles":[{"make":"VOLVO","model":"VNL","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"VOLVO","model":"VNM","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":[]}