{"nhtsa_id":10037311,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2011-05-18","date":"2015-08-01","document_id":"PI-0235-A","mfr_campaign":null,"replaces":"PI-0235-J","component":"ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE; ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER","mfr_system":null,"summary":"GM: THERE MAY BE A FUEL SMELL WHEN DRIVING THE VEHICLE. THERE MAY ALSO BE AN EXHAUST LEAK OR RATTLE NOISE. *RM UPDATED 9/10/12. *PE UPDATED 05/3/2013 *JS UPDATED 1/6/14. *PE UPDATED 2/3/16. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10037311","components":[{"id":"engine","name":"Engine","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null},{"id":"exhaust-pipe","name":"Exhaust manifold, pipes and muffler","parent":"exhaust-emissions"},{"id":"turbocharger","name":"Turbocharger or supercharger","parent":"engine"}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"EXPRESS 2500","year_from":2011,"year_to":2011,"match":"base","vehicle_ids":["2011_chevrolet_express"]},{"make":"CHEVROLET","model":"EXPRESS 3500","year_from":2010,"year_to":2010,"match":"base","vehicle_ids":["2010_chevrolet_express"]},{"make":"CHEVROLET","model":"EXPRESS 4500","year_from":2009,"year_to":2009,"match":"base","vehicle_ids":["2009_chevrolet_express"]},{"make":"CHEVROLET","model":"SILVERADO 2500","year_from":2011,"year_to":2011,"match":"base","vehicle_ids":["2011_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SILVERADO 3500","year_from":2011,"year_to":2011,"match":"base","vehicle_ids":["2011_chevrolet_silverado"]},{"make":"GMC","model":"SAVANA 2500","year_from":2010,"year_to":2010,"match":"base","vehicle_ids":["2010_gmc_savana"]},{"make":"GMC","model":"SAVANA 3500","year_from":2010,"year_to":2010,"match":"base","vehicle_ids":["2010_gmc_savana"]},{"make":"GMC","model":"SIERRA 2500","year_from":2011,"year_to":2011,"match":"base","vehicle_ids":["2011_gmc_sierra"]},{"make":"GMC","model":"SIERRA 3500","year_from":2011,"year_to":2011,"match":"base","vehicle_ids":["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":[]}