it gets noisy then when you push the peddle it goes away. they will stay like that for some time then it gets louder an louder . there no way to grease them. All that i' ve dealt with ended up being dry an kinda rusty on the inside . make sure you look at the collar that fits over the frt shaft so that it is not wore. this is what the sleeve of the throw out bearing slides on . if its wore out replace it .It will cause premature wear of your clutch an bearing