{"nhtsa_id":10038606,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2011-06-24","date":"2011-03-01","document_id":"PIP-4895","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:COOLING SYSTEM","mfr_system":null,"summary":"GM: THERE MAY BE COMPLAINTS THAT THE LOW COOLANT LIGHT IS ON, LOSS OF COOLANT, OR EXCESSIVE PRESSURE. THERE ARE NO EXTERNAL LEAKS. *RM","document":null,"url":"https://open.wenmarpro.com/bulletins/10038606","components":[{"id":"engine","name":"Engine","parent":null},{"id":"cooling-system","name":"Cooling system","parent":"engine"}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"EXPRESS","year_from":2010,"year_to":2011,"match":"exact","vehicle_ids":["2010_chevrolet_express","2011_chevrolet_express"]},{"make":"CHEVROLET","model":"SILVERADO","year_from":2010,"year_to":2011,"match":"exact","vehicle_ids":["2010_chevrolet_silverado","2011_chevrolet_silverado"]},{"make":"GMC","model":"SANANA","year_from":2010,"year_to":2010,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"SAVANA","year_from":2010,"year_to":2011,"match":"exact","vehicle_ids":["2010_gmc_savana","2011_gmc_savana"]},{"make":"GMC","model":"SIERRA","year_from":2010,"year_to":2011,"match":"exact","vehicle_ids":["2010_gmc_sierra","2011_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":[]}