{"nhtsa_id":10038749,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2011-06-27","date":"2011-04-01","document_id":"PIE-0169","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:COOLING SYSTEM","mfr_system":null,"summary":"GM: THERE IS AN ENGINE COOLANT LEAK OR ENGINE KNOCK NOISE. THE ENGINE COOLANT FAN MAY HAVE BROKEN. 2005-2007 KODIAK/TOP KICK. *RM","document":null,"url":"https://open.wenmarpro.com/bulletins/10038749","components":[{"id":"engine","name":"Engine","parent":null},{"id":"cooling-system","name":"Cooling system","parent":"engine"}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"C4500","year_from":2005,"year_to":2007,"match":null,"vehicle_ids":[]},{"make":"CHEVROLET","model":"C5500","year_from":2005,"year_to":2007,"match":null,"vehicle_ids":[]},{"make":"CHEVROLET","model":"KODIAK","year_from":2005,"year_to":2007,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"C4500","year_from":2005,"year_to":2007,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"C5500","year_from":2005,"year_to":2007,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"TOPKICK","year_from":2005,"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":[]}