{"nhtsa_id":606998,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1999-09-09","date":"1999-05-01","document_id":"996166","mfr_campaign":null,"replaces":null,"component":"SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS; SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER","mfr_system":null,"summary":"INFORMATION REGARDING THE HEAVY DUTY BRAKE BOOSTER. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/606998","components":[{"id":"brakes","name":"Brakes","parent":null},{"id":"brake-master-cylinder","name":"Brake master cylinder","parent":"brakes"}],"codes":[],"topics":[],"vehicles":[{"make":"FORD","model":"CROWN VICTORIA","year_from":1999,"year_to":1999,"match":"exact","vehicle_ids":["1999_ford_crown-victoria"]}],"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":[]}