{"nhtsa_id":10046339,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2012-10-11","date":"2012-08-01","document_id":"PI-0785","mfr_campaign":null,"replaces":"PI-0785-A","component":"SERVICE BRAKES, HYDRAULIC:PEDALS AND LINKAGES","mfr_system":null,"summary":"BUICK/CADILLAC/CHEVROLET/GMC: MASTER CYLINDER WAS UNBOLTED FROM BRAKE BOOSTER AT TIME OF APPLYING BRAKES WITH BRAKE PEDAL, THAT WAS LOW AND POSSIBLE CAUSE WAS SMALL VACUUM LEAK BETWEEN MASTER CYLINDER AND BRAKE BOOSTER WAS FOUND. CERTAIN MODELS 2009-2013 OF BUICK, CHEVROLET, CADILLAC, GMC. *PE UPDATED 10/15/12. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10046339","components":[{"id":"brakes","name":"Brakes","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"GMC","model":"ACADIA","year_from":2009,"year_to":2012,"match":"exact","vehicle_ids":["2009_gmc_acadia","2010_gmc_acadia","2011_gmc_acadia","2012_gmc_acadia"]},{"make":"GMC","model":"CANYON","year_from":2009,"year_to":2012,"match":"exact","vehicle_ids":["2009_gmc_canyon","2010_gmc_canyon","2011_gmc_canyon","2012_gmc_canyon"]},{"make":"GMC","model":"TERRAIN","year_from":2009,"year_to":2012,"match":"exact","vehicle_ids":["2009_gmc_terrain","2010_gmc_terrain","2011_gmc_terrain","2012_gmc_terrain"]},{"make":"GMC","model":"TOPKICK","year_from":2009,"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":[]}