{"nhtsa_id":10036364,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2011-03-14","date":"2010-08-01","document_id":"PIP-4822","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE; ENGINE AND ENGINE COOLING:COOLING SYSTEM","mfr_system":null,"summary":"CHEVROLET/GMC: POSSIBLE ENGINE OVERHEAT OR LOSS OF COOLANT. NORMAL SI DIAGNOSTICS WILL LEAD TO INSPECTING THE WATER PUMP FOR PROPER OPERATION. WHEN WATER PUMP IS REMOVED, BE SURE TO INSPECT THE IMPELLER. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10036364","components":[{"id":"engine","name":"Engine","parent":null},{"id":"cooling-system","name":"Cooling system","parent":"engine"}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"EXPRESS","year_from":2008,"year_to":2010,"match":"exact","vehicle_ids":["2008_chevrolet_express","2009_chevrolet_express","2010_chevrolet_express"]},{"make":"CHEVROLET","model":"SILVERADO","year_from":2008,"year_to":2010,"match":"exact","vehicle_ids":["2008_chevrolet_silverado","2009_chevrolet_silverado","2010_chevrolet_silverado"]},{"make":"GMC","model":"SANANA","year_from":2010,"year_to":2010,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"SAVANA","year_from":2008,"year_to":2010,"match":"exact","vehicle_ids":["2008_gmc_savana","2009_gmc_savana","2010_gmc_savana"]},{"make":"GMC","model":"SIERRA","year_from":2008,"year_to":2010,"match":"exact","vehicle_ids":["2008_gmc_sierra","2009_gmc_sierra","2010_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":[]}