It may just be excess water left over remove all the water so it is 100 dry.
Bathroom sink hot water valve leaking.
If the leak doesn t stop after the first valve is turned off it s the other line that s leaking.
Step 1 tighten the nut and check wrap a masking tape around the jaw of your slip joint pliers to avoid scratching and damaging the soft metal parts of the leaking shut off valve.
Use light steady pressure so you don t damage the water lines.
You can also try turning off water supply to house.
If you see water leaking out this means the valve is leaking.
If you re fixing a hot water valve turn off the hot water outlet on the water heater.
If your water supply valve is leaking you may not need to replace it.
If the leak stops then you need to replace the cold cartridge.
Let s start by testing to see which side of the faucet hot or cold is leaking.
It is very common for this to happen.
In this video i will show you in detail the procedure for replacing a bad water supply shut off valve on a cpvc piping system.
Tighten the packing nut on the toilet shutoff valve one eighth turn clockwise to try to seal a leak around the nut.
There s an easy way to fix it and you may want to give it a try.
If it continues turn off the hot water side by turning the knob clockwise.
Reinstall the packing nut tighten lightly with a wrench don t over tighten at this or any other point and reattach the handle.
Determine which side of your faucet is leaking by shutting off the water supply valves one at a time.
You will have to replace hardware for both sides since you won t be able to identify whether the hot or cold side is leaking.
Wrap cloth or masking tape on the plier s jaws to protect the nut s finish.
First shut off the water to the leaking water valve.
Once you determine which side is leaking turn off both supply valves.
So to save your valuable time money and water here are a few easy steps to repair a leaking sink shut off valve.
Next remove the handle from the stem and then loosen and remove the packing nut.
Tighten the packing nut.
If your valves are stuck shut off the water main.
Shut off the water to the sink.
To do this turn on one faucet at a time until you can find out which supply line is leaking water.
Therefore you will need to determine which water supply line is leaking.
Remove the old washer and slide on the new one.
To do that go under the sink and turn off the cold water at the wall by turning the knob clockwise.
Step 1 locate the leaky water supply line most sinks have a hot and cold water supply line.