{"nhtsa_id":10026648,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2008-11-25","date":"2009-08-01","document_id":"PIC-4973A","mfr_campaign":null,"replaces":"PIC-4973D","component":"ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN","mfr_system":null,"summary":"GMC: DAMAGE TO CONNECTOR C3 AT UBEC. INCREASED CURRENT DRAW OVER EXTENDED PERIOD OF TIME DUE TO COOLING FAN MOTOR OVERHEATING IN EXTENDED IDLE HIGH AMBIENT AIR TEMPERATURE CONDITIONS. 9C1 AND 9C3 ONLY. *PE UPDATED 3/15/10. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10026648","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":"CHEVROLET","model":"IMPALA","year_from":2006,"year_to":2007,"match":"exact","vehicle_ids":["2006_chevrolet_impala","2007_chevrolet_impala"]}],"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":[]}