{"nhtsa_id":10022809,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2007-09-28","date":null,"document_id":"207","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION","mfr_system":null,"summary":"FLUID LEAK FROM THE EXTENSION HOUSING SEAL ON 4L80E/4L85E TRANSMISSION. *KB","document":null,"url":"https://open.wenmarpro.com/bulletins/10022809","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"automatic-transmission","name":"Automatic transmission","parent":"powertrain"}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"EXPRESS 2500","year_from":2007,"year_to":2007,"match":"base","vehicle_ids":["2007_chevrolet_express"]},{"make":"CHEVROLET","model":"EXPRESS 3500","year_from":2007,"year_to":2007,"match":"base","vehicle_ids":["2007_chevrolet_express"]},{"make":"CHEVROLET","model":"SILVERADO 2500","year_from":2007,"year_to":2007,"match":"base","vehicle_ids":["2007_chevrolet_silverado"]},{"make":"GMC","model":"SAVANA 2500","year_from":2007,"year_to":2007,"match":"base","vehicle_ids":["2007_gmc_savana"]},{"make":"GMC","model":"SAVANA 3500","year_from":2007,"year_to":2007,"match":"base","vehicle_ids":["2007_gmc_savana"]},{"make":"GMC","model":"SIERRA 2500","year_from":2007,"year_to":2007,"match":"base","vehicle_ids":["2007_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":[]}