NHTSA Recall 20V346000: Caliper (service brakes)
Mazda North American Operations reported this safety recall to NHTSA on , covering an estimated 24,037 vehicles. It affects 2 models including the Mazda CX-30.
| NHTSA campaign | 20V346000 |
|---|---|
| Manufacturer campaign | 4420F |
| Component | SERVICE BRAKES, HYDRAULIC › FOUNDATION COMPONENTS › DISC › CALIPER |
| Report received | June 12, 2020 |
| Owner notification | July 24, 2020 |
| Initiated by | Manufacturer |
Defect
Mazda North American Operations (Mazda) is recalling certain 2020 CX-30 and Mazda3 vehicles. The front brake caliper mounting bolts may not have been tightened properly during assembly, possibly allowing the calipers to loosen.
Safety risk
Loose brake calipers can reduce braking performance or interfere with wheel rotation, affecting vehicle handling. Either of these scenarios can increase the risk of a crash.
Remedy
Mazda will notify owners, and dealers will inspect the front brake caliper bolts, tightening them as necessary. If bolts are missing, the affected brake caliper will be replaced. Repairs will be performed free of charge. The recall began July 24, 2020. Owners may contact Mazda customer service at 1-800-222-5500, Option 4. Mazda's number for this recall is 4420F.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
Vehicles covered by recall 20V346000
Being listed here means the campaign covers the model year, not that every car was built with the defect or is still unrepaired. Enter your VIN above to check your specific vehicle. Recall repairs are free at authorised dealers. Source: NHTSA, October 2026.