{"nhtsa_id":631901,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2002-06-25","date":"2001-12-01","document_id":"000522002","mfr_campaign":null,"replaces":"000522002A","component":"SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS","mfr_system":null,"summary":"BRAKE WARRANTY SERVICE PROCEDURES. ALL GM PASSENGER VEHICLES AND LIGHT DUTY TRUCKS. *SLC","document":null,"url":"https://open.wenmarpro.com/bulletins/631901","components":[{"id":"brakes","name":"Brakes","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"BUICK","model":"BUICK","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"CADILLAC","model":"CADILLAC","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"CHEVROLET","model":"CHEVROLET","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"GMC","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"OLDSMOBILE","model":"OLDSMOBILE","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"PONTIAC","model":"PONTIAC","year_from":null,"year_to":null,"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":[]}