{"nhtsa_id":10036731,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2011-04-11","date":"1993-10-01","document_id":"PRO-20-38","mfr_campaign":null,"replaces":null,"component":"SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER","mfr_system":null,"summary":"BOSCH (BRAKES): MINI MASTER CYLINDER SILICON ASSEMBLY FLUID. DURING MANUFACTURE OF THE MINI MASTER CYLINDER, BOSCH LUBRICATES THE PISTON BORE WITH A SILICONE FLUID TO FACILITATE COMPONENT INSTALLATION AND TESTING. NO MODEL OR MODEL YEARS LISTED. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10036731","components":[{"id":"brakes","name":"Brakes","parent":null},{"id":"brake-master-cylinder","name":"Brake master cylinder","parent":"brakes"}],"codes":[],"topics":[],"vehicles":[{"make":"BOSCH","model":"ZOPS HYDRAULIC BRAKES","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":[]}