Mazda TSB #04-001-24
2021 Mazda CX-30
Affected Component: SERVICE BRAKES, HYDRAULIC
- 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.