{"nhtsa_id":10204304,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-12-13","date":"2021-11-24","document_id":"9004448","mfr_campaign":null,"replaces":null,"component":"SERVICE BRAKES","mfr_system":null,"summary":"MASTER CYLINDER, Brake Prior to replacing the master cylinder please call Paul Kuehl at (248) 535-7013FCA Redacted Content. If no response in 15 minutes, proceed with repair.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10204304-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10204304-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10204304","components":[{"id":"brakes","name":"Brakes","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"JEEP","model":"WRANGLER","year_from":2021,"year_to":2021,"match":"exact","vehicle_ids":["2021_jeep_wrangler"]}],"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":[]}