If your valves are stuck shut off the water main.
Double handle bathroom faucet leaking.
Install the new valve by screwing it back into the faucet turning clockwise.
Replace supply line if it s still leaking at the supply line the seal on the supply line might be worn.
With this issue dirt and debris have collected in the valve cartridge which prevents the valve from properly controlling the flow of water.
If the leak doesn t stop after the first valve is turned off it s the other line that s leaking.
Remove disassemble the old faucet.
Turn the faucet handles to on to release any remaining water.
How to fix a leaky bathroom sink faucet double handle locate the leak.
Solution for the leak.
Water still leaking if the faucet is.
Continuous leak when faucet is on or off.
Before reassembling the handle turn the water back on to check for leaks.
Faucet leaking under handle repair method 2.
Decide which side of your faucet is dripping closing the water supply valves one at the same time.
Once you have made sure there are no leaks reassemble the remaining parts.
Step 1 turn off the water to the faucet under the sink.
Tighten the valve with the wrench to 1 8 to 1 4 turn past hand tight.
When the faucet is on or off water leaks from under the handle area.
Determine which side of your faucet is leaking by shutting off the water supply valves one at a time.
Step 3 a handle screw will now be visible remove the handle screw with a screwdriver.
Step 2 use a flat screwdriver and use a prying motion to remove the decorative cap on top of the handle.