To determine the cause of the leak you ll first need to dismantle the faucet.
Dripping bathtub faucet double handle.
If you need to repair a leaky bath tub faucet start by turning off the water to your home and opening the hot and cold water valves in your bath to drain any water still in the pipes.
Then use a philips screwdriver to remove the handle from the wall before unscrewing the trim and collar by hand.
Step 3 a handle screw will now be visible remove the handle screw with a screwdriver.
Shut off the water supply to the faucet and open the valves to drain excess water from the system.
Turn faucet handles to the on position to release any residual water.
When turning the faucet handles no longer fully shuts off the water flow the seat washers and seats probably need replacing.
Faucet leaking under handle repair method 2.
Close the drain and place a towel in the sink to protect the surface and catch any dropped parts.
Pry off the handle insert with the thin blade of a pocketknife.
Turn on water make sure the handle is in the off position then turn on the water by turning the knob under the sink counter clockwise.
Once the screws are removed tug on the handle to detach it from the wall.
Step 2 use a flat screwdriver and use a prying motion to remove the decorative cap on top of the handle.
To test to make sure the leak is fixed turn on the water and let it run for a minute.
Step 2 step 3.
3remove the faucet handle.
Take off the decorative cap and use a screwdriver to loosen the screws in the center of the handle.
Always replace both seat washers and seats on a double handle faucet.
Step 1 turn off the water to the faucet under the sink.