{"nhtsa_id":10069957,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2016-06-09","date":"2014-04-01","document_id":"PIP4887A","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:EXHAUST SYSTEM","mfr_system":null,"summary":"SUMMARY TO BE PROVIDED ON A FUTURE DATE.","document":null,"url":"https://open.wenmarpro.com/bulletins/10069957","components":[{"id":"engine","name":"Engine","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null}],"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 1500","year_from":2010,"year_to":2011,"match":"base","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":2011,"year_to":2011,"match":"exact","vehicle_ids":["2011_gmc_savana"]},{"make":"GMC","model":"SIERRA 1500","year_from":2010,"year_to":2011,"match":"base","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":[]}