{"nhtsa_id":10112039,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-08-15","date":"2014-01-30","document_id":"PIP5176","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"This Preliminary Information communication provides information to the technician about vehicles that have an engine running hot or overheating with no coolant leaks found. Technician will need to check for hydrocarbons in the cooling system, operation of the thermostat, the water pump impeller for any sign of concern, and inspect the coolant manifold assembly and issues. Technician will need to replace the coolant manifold assembly if the concern cannot be isolated.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2014/MC-10112039-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2014/MC-10112039-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10112039","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"CORVETTE","year_from":2014,"year_to":2014,"match":"exact","vehicle_ids":["2014_chevrolet_corvette"]},{"make":"CHEVROLET","model":"SILVERADO 1500","year_from":2014,"year_to":2014,"match":"base","vehicle_ids":["2014_chevrolet_silverado"]},{"make":"GMC","model":"SIERRA 1500","year_from":2014,"year_to":2014,"match":"base","vehicle_ids":["2014_gmc_sierra"]}],"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":[]}