The first step in the faucet repair is to locate the water shutoff to your faucet and turn off the water to the leaking faucet. The water shutoff is usually found directly under the sink and consists of a small valve and a small handle. If the valve is similar to the style shown here, turn the handle clockwise to tighten and shut it off. More modern valves may have a toggle style lever that needs to be turned so it is opposite how you find it when the valve is open and the water is running.
If your house does not have local shutoff valves, then you'll need to go to the water main and shut off the water supply there (see How to Shut Off a Water Supply)
Once the water is shut off, then open the faucet fully releasing any pressure and letting the water drain out.
