{"nhtsa_id":10019957,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2006-05-17","date":"2006-04-01","document_id":"0601001","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE","mfr_system":null,"summary":"OPERATING CHARACTERISTICS OF THE ELECTRO-VISCOUS (EV) FAN CLUTCH AND DIAGNOSTIC TIPS FOR COOLING FAN NOISE, DELAYED TRANSMISSION SHIFTS AND/OR ENGINE REVVING TOO HIGH. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10019957","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"ISUZU","model":"ASCENDER","year_from":2003,"year_to":2006,"match":"exact","vehicle_ids":["2003_isuzu_ascender","2004_isuzu_ascender","2005_isuzu_ascender","2006_isuzu_ascender"]}],"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":[]}