{"nhtsa_id":10026650,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2008-11-25","date":"2008-07-01","document_id":"PIP-4372B","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER; ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER","mfr_system":null,"summary":"GMC: OIL LEAK AT TURBOCHARGER AIR INTAKE PIPE. INITIAL INSPECTION MA REVEAL A LEAK THAT LOOKS AS IT IS COMING FROM THE REAR OF THE ENGINE. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10026650","components":[{"id":"engine","name":"Engine","parent":null},{"id":"turbocharger","name":"Turbocharger or supercharger","parent":"engine"}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"EXPRESS","year_from":2007,"year_to":2009,"match":"exact","vehicle_ids":["2007_chevrolet_express","2008_chevrolet_express","2009_chevrolet_express"]},{"make":"CHEVROLET","model":"KODIAK","year_from":2007,"year_to":2009,"match":null,"vehicle_ids":[]},{"make":"CHEVROLET","model":"SILVERADO","year_from":2007,"year_to":2009,"match":"exact","vehicle_ids":["2007_chevrolet_silverado","2008_chevrolet_silverado","2009_chevrolet_silverado"]},{"make":"GMC","model":"SAVANA","year_from":2007,"year_to":2009,"match":"exact","vehicle_ids":["2007_gmc_savana","2008_gmc_savana","2009_gmc_savana"]},{"make":"GMC","model":"SIERRA","year_from":2007,"year_to":2009,"match":"exact","vehicle_ids":["2007_gmc_sierra","2008_gmc_sierra","2009_gmc_sierra"]},{"make":"GMC","model":"TOPKICK","year_from":2007,"year_to":2009,"match":null,"vehicle_ids":[]}],"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":[]}