{"nhtsa_id":10034730,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2011-01-08","date":"2011-06-01","document_id":"SB-09051A","mfr_campaign":null,"replaces":"SB-09051B","component":"SERVICE BRAKES, HYDRAULIC:POWER ASSIST; SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM","mfr_system":null,"summary":"CHEVROLET BUICK GMC SATURN SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. VEHICLES MAY HAVE A CONDITION IN WHICH THE POWER BRAKE ASSIST MAY BE TEMPORARILY REDUCED WHEN THE VEHICLE IS OPERATED IN TEMPERATURES OF -5% TO -49% F (-21% TO -45% C). IN EXTREME COLD TEMPERATURES, THE OPENING OF ONE OR BOTH THE POWER BRAKE BOOSTER VACUUM CHECK VALVES MAY BE DELAYED. RESULTING IN REDUCED POWER BRAKE ASSIST. CSC LETTER WAS RECEIVED (ONLY). *PE PROGRAM IS IN EFFECT UNTIL 6/3011. *PE UPDATED ON 08.31.2011. *KB","document":null,"url":"https://open.wenmarpro.com/bulletins/10034730","components":[{"id":"brakes","name":"Brakes","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"BUICK","model":"ENCLAVE","year_from":2009,"year_to":2009,"match":"exact","vehicle_ids":["2009_buick_enclave"]},{"make":"CHEVROLET","model":"TRAVERSE","year_from":2009,"year_to":2009,"match":"exact","vehicle_ids":["2009_chevrolet_traverse"]},{"make":"GMC","model":"ACADIA","year_from":2009,"year_to":2009,"match":"exact","vehicle_ids":["2009_gmc_acadia"]},{"make":"SATURN","model":"OUTLOOK","year_from":2009,"year_to":2009,"match":"exact","vehicle_ids":["2009_saturn_outlook"]}],"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":[]}