That GPU looks pretty old, I'd guess the fan bearings are worn so badly it wobbles enough to let the blades hit the heatsink.
It's a GTX1060 that I bought brand new 2 years agoThat GPU looks pretty old, I'd guess the fan bearings are worn so badly it wobbles enough to let the blades hit the heatsink.
What GPU is it? It's entirely likely it's not worth the cost of a replacement fan so it would probably better for you to look for a new or newer used GPU.