{"nhtsa_id":626268,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2001-12-13","date":"2001-09-10","document_id":"102001","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE:GASOLINE","mfr_system":null,"summary":"SUBJECT ON CLOSED CRANKCASE VENTILATION SYSTEM. *ET","document":null,"url":"https://open.wenmarpro.com/bulletins/626268","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"BLUE BIRD","model":"BUSES","year_from":1991,"year_to":1991,"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":[]}