HP Turbo and Actuator - Sounds like Rocks

groove

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Like the title says..
Cold start no noises, once its ran for a minute or two it starts to sound like rocks caught in a blender. Thought is was a torque converter or cracked flex plate. replaced those and boy was I wrong!
P2563 code now, and figure its the vanes hitting the turbine wheel?
Assuming the turbo is done, but what causes this? Unison ring worn out?
too much play on the turbine shaft?
Let me know your thoughts and if I should be buying an actuator along with the HP turbo.

Cheers
 

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