{"nhtsa_id":605045,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1999-05-24","date":"1999-04-08","document_id":"S9901","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN","mfr_system":null,"summary":"CONCERNS WITH FAST CYCLING OF COOLING SYSTEM FAN. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/605045","components":[{"id":"engine","name":"Engine","parent":null},{"id":"cooling-fan","name":"Cooling fan","parent":"engine"},{"id":"cooling-system","name":"Cooling system","parent":"engine"}],"codes":[],"topics":[],"vehicles":[{"make":"BLUE BIRD","model":"BLUE BIRD","year_from":1999,"year_to":1999,"match":null,"vehicle_ids":[]},{"make":"BLUE BIRD","model":"TC1000","year_from":1999,"year_to":1999,"match":"exact","vehicle_ids":["1999_blue-bird_tc1000"]},{"make":"BLUE BIRD","model":"TC2000","year_from":1999,"year_to":1999,"match":"exact","vehicle_ids":["1999_blue-bird_tc2000"]}],"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":[]}