Pressure differences are causing the stop to bounce. This causes temporary water flow in the tank. A new float should take care of this issue.
A dripping faucet when turned off is usually caused by a worn-out or faulty washer or seal inside the faucet. This allows water to continue flowing even when the faucet is closed.
Loose washer
The faucet drips when turned off because of a worn-out washer or seal inside the faucet that fails to create a tight seal, allowing water to leak out slowly.
Your outdoor faucet may be leaking when turned on due to a worn-out washer or seal inside the faucet. This can cause water to escape through the gaps, leading to a leak.
A dripping faucet after the water has been turned off is usually caused by a worn-out or damaged washer or seal in the faucet. This allows water to continue leaking through even when the faucet is closed.
Your bathtub faucet may be leaking from the handle due to a worn-out or damaged washer or O-ring inside the faucet handle. This can cause water to seep out when the faucet is turned on. It is recommended to replace the washer or O-ring to fix the leak.
The outside faucet may be leaking when a hose is attached due to a worn-out washer or a damaged seal in the faucet. This can cause water to escape and leak out when the hose is connected and the faucet is turned on. It is recommended to replace the washer or seal to fix the leak.
A dripping sink when turned off is usually caused by a worn-out or faulty washer or seal in the faucet. This allows water to continue leaking through even when the faucet is closed, resulting in the drip.
To change a faucet washer, first turn off the water supply to the faucet. Then, unscrew the handle and remove the old washer. Replace it with a new washer of the same size and type. Reassemble the faucet and turn the water supply back on to test for leaks.
Depending on which type it is, it either need a new washer or seat in the valve. The washer is a flat rubber disk that seals when you turn the faucet off and the seat is a small rubber cup that does the same thing.
To replace a bathroom faucet washer, first turn off the water supply to the faucet. Next, unscrew the faucet handle and remove the old washer. Replace it with a new washer of the same size and type. Reassemble the faucet handle and turn the water supply back on to test for leaks.
The washer may have become cupped and it has to be opened more to get the same amount of clearance between the washer and the seat.