Clean the faucet and the faucet body to remove debris.
Fix dripping water filter faucet.
Loosen the screw with a hex key wrench and pull off the faucet handle.
Twist the valve under your sink to turn off the water supply valve or valves.
Use a sink plug if you have one or a rag.
Nothing will ruin your day faster than having a screw or a washer go down the drain step 3 determine what type of faucet you have.
If your valves are stuck shut off the water main.
Be careful not to break or damage either piece.
Use adjustable pliers to remove the cap and collar.
Look underneath your sink for the pipes that run up.
Once you determine which side is leaking turn off both supply valves.
In detail with images shut off the water supply going to the leaking water filter by turning a ball valve lever 1 4 turn 90 degrees.
The problem is getting worst gradually.
Depressurize the filter by turning on the water faucet after the system until water stops.
Use groove joint pliers to grip the old cartridge and pull it straight up.
Step 1 turn off the water to your faucet.
Along those pipes somewhere will be handles that you can turn to shut off the water to your sink 1 x research source twist clockwise to shut off step 2 plug the drain.
This video is about how i dissemble.
Shut off the water after filter if possible.
A compression faucet has two screw handles one for hot.
Using the special tool included in the faucet repair kit loosen the faucet cam and lift it out along with the cam washer and the rotating ball.
If the leak doesn t stop after the first valve is turned off it s the other line that s leaking.
Determine which side of your faucet is leaking by shutting off the water supply valves one at a time.
If there aren t individual shutoff valves.
If the pliers won t work buy a tool called a stem puller that was made for your brand of faucet.