The brakes are locking up.
Brakes that are "locking up" indicate a problem with brake the hydraulic system. This includes the master cylinder, valves, calipers and lines. However, some people interpret normal ABS operation as brakes that are locking up. The ABS system is designed to rapidly pump the brakes in an emergency stop. If you feel there is a problem with your brakes, don't take any chances. Bring your vehicle to a trained professional at YourMechanic as soon as possible for proper inspection and repair.
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