Bath Sink Faucet Leaking. After determining which side is leaking turn off both the supply valves. But if you frequently see puddling water on the sink deck around the faucets you may have a leak in this area. Pry off the decorative cap on the handle remove the handle screw tilt the handle back and pull it off.
After determining which side is leaking turn off both the supply valves. To do that go under the sink and turn off the cold water at the wall by turning the knob clockwise.
If there s a threaded retaining clip holding the cartridge in place use needle nose pliers to remove it then pull the cartridge straight up.
Leaks around the base of the faucet. If you have a faucet with 2 handles for hot and cold remove each handle remove the nut with a wrench pull out the stem and replace the seat washer to fix the leak. If the leak stops then you need to replace the cold cartridge. A constantly dripping faucet won t only drive you crazy but it will freak mother nature out too.