{"nhtsa_id":10043187,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2012-02-29","date":"2006-06-21","document_id":"SU-S-0604","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE","mfr_system":null,"summary":"BLUE BIRD BUS: ON CERTAIN BUSES, IF AIRBORNE CONTAMINANTS COMBINE WITH OIL, CAN FORM ABRASIVE COMPOUND WHICH DRASTICALLY SHORTEN ENGINE LIFE IF ALLOWED ENTRY INTO ENGINE. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10043187","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"BLUE BIRD","model":"XCEL 102","year_from":2006,"year_to":2007,"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":[]}