With a crescent wrench, ease the nuts are on the lines linking to the faucets of yours underneath the sink. While you’re disconnecting these lines, provide them with a looking more than to make sure they’re in a condition that is good – if not, you might wish to change them while you’re down there, anyway. Next, you will need to draw the bathroom faucets off of the sink by eliminating the nuts keeping them in position. These might be on top (hidden under the handles), and underneath – based on the kind.