{"nhtsa_id":10243546,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-10-05","date":"2023-09-15","document_id":"04-002-23c","mfr_campaign":null,"replaces":null,"component":"SERVICE BRAKES","mfr_system":null,"summary":"Symptom 1: Some customers may complain about hearing a grinding noise and/or vibration occur when applying the brake. This is due to rust on the rear brake disc plate. Symptom 2: Some vehicles may exhibit a squeal noise from the rear brakes when braking lightly while driving at a slow speed. The squeal noise is caused by the disk pad surface fluctuating.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10243546-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10243546-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10243546","components":[{"id":"brakes","name":"Brakes","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"MAZDA","model":"CX-30","year_from":2020,"year_to":2024,"match":"exact","vehicle_ids":["2020_mazda_cx-30","2021_mazda_cx-30","2022_mazda_cx-30","2023_mazda_cx-30","2024_mazda_cx-30"]},{"make":"MAZDA","model":"MAZDA3","year_from":2019,"year_to":2024,"match":"exact","vehicle_ids":["2019_mazda_mazda3","2020_mazda_mazda3","2021_mazda_mazda3","2022_mazda_mazda3","2023_mazda_mazda3","2024_mazda_mazda3"]},{"make":"MAZDA","model":"MX-30","year_from":2022,"year_to":2023,"match":"exact","vehicle_ids":["2022_mazda_mx-30","2023_mazda_mx-30"]}],"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":[]}