clutch making grinding noise in neutral unsure what it is can anyone help ?

[cr03]

Hi guys I'm new to this but, my 2010 ibiza fr 2.0 tdi was running fine today till it started up after a long drive and the clutch made a slight grinding sound when in neutral and engine running. Any ideas what it could be ?

 

[supersticky]

Does it come and go when pressing and depressing the clutch pedal? If so it's your thrust bearing csc

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