# 2003 HYUNDAI SONATA — SERVICE BRAKES
> NHTSA complaint `1418584` · 2017-10-27 · Hyundai Motor America
## Severity
- **Deaths:** 0
- **Injured:** 0
- **Fire:** No
- **Crash:** Yes
- **Police report:** No
- **Medical attention:** No
- **Vehicle towed:** No
## Vehicle
- **Make:** HYUNDAI
- **Model:** SONATA
- **Year:** 2003
- **Manufacturer:** Hyundai Motor America
- **Component:** SERVICE BRAKES
- **Miles at failure:** 1,100,000
- **Speed:** 3 mph
## Narrative
THE BRAKE PEDAL DROPS DURING BRAKING WITH A CLUNK. THE BRAKES ARE WEAK AT THAT POINT BUT RECOVER. I REPLACED THE BRAKE PADS AND ROTORS AND MASTER CYLINDER, STILL THE SAME PROBLEM. IT HAPPENS A LOT. MY WIFE WON'T DRIVE THE CAR ANYMORE.
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*Source: [NHTSA ODI](https://www-odi.nhtsa.dot.gov/downloads/) · AI Analytics · CC0 1.0*