Grinding Sound - Full lock turning

[everson38]

Hey guys

Been about of awhile but noticed today that my sisters 1.2 Seat Ibiza 62 plate. When you full lock to right (anywhere from 75% to 100% full lock) the car makes a grinding type sound, moving in rhythm to the speed of the car. When you do the same but to the left it does not do anything

(See video for sound:

Any ideas on that it could be?

Thanks alot

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