{"nhtsa_id":10054163,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2013-12-27","date":"2013-06-19","document_id":"RN-13D-076","mfr_campaign":null,"replaces":null,"component":"SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER","mfr_system":null,"summary":"AC DELCO: THE 18M870 ACDELCO BRAKE MASTER CYLINDER MUST BE RETURNED, EFFECTIVE IMMEDIATELY THROUGH JULY 19, 2013 AND DATE CODE PRIOR TO 13105. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10054163","components":[{"id":"brakes","name":"Brakes","parent":null},{"id":"brake-master-cylinder","name":"Brake master cylinder","parent":"brakes"}],"codes":[],"topics":[],"vehicles":[{"make":"BRAKE PARTS","model":"GM AC DELCO 18M870","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":[]}