reckless757

Alright I'm having some trouble with my crank pulley and was hoping somebody can help me out the pulley keeps eating away at my lower timing cover and I have no Idea why I know i put it in right, also almost all of my oil leaked out right around the same place would that mean I need to change the front crack seal as well would that be where all the oil came from? Im not to good with cars and I would appreciate Any help. Thanks