{"nhtsa_id":10000930,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2003-04-04","date":"2003-01-01","document_id":"030525001","mfr_campaign":null,"replaces":null,"component":"SERVICE BRAKES, HYDRAULIC","mfr_system":null,"summary":"THUMPING NOISE / FEEL IN BRAKE PEDAL. 1500/2500 SERIES HEAVY DUTY CARGO VANS. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10000930","components":[{"id":"brakes","name":"Brakes","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"EXPRESS","year_from":2003,"year_to":2003,"match":"exact","vehicle_ids":["2003_chevrolet_express"]},{"make":"GMC","model":"SAVANA","year_from":2003,"year_to":2003,"match":"exact","vehicle_ids":["2003_gmc_savana"]}],"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":[]}