Tighten the packing nut the packing nut is responsible for making a watertight seal where the valve stem meets the water line.
Toilet shut off valve leaking at stem.
Do not remove the valve just tighten the packing nut.
Water shut off valves often leak at the handle or the stem after they.
The first thing you should do to stop the leak is to tighten the packing nut.
Hopefully this is enough to compress the rubber gasket so that it is sealed on the valve stem to prevent water leaks.
First shut off the water to the leaking water valve.
Avoid gumming up the inside of the shutoff valve.
If the valve leak persists turn off the main water shutoff valve then disconnect the valve and replace it.
Turn on all the faucets and flush all the toilets associated with the main shutoff valve to empty the pipes of water.
The small plastic tub will catch the water from the pipes to avoid spillage.
Step 3 remove the screw in the center of the shutoff valve handle using a screwdriver.
Step 3 remove the nut.
Required tools for this project.
Reinstall the packing nut tighten lightly with a wrench don t over tighten at this or any other point and reattach the handle.
Next shut off the main water supply to the toilet and detach and drain the pipes using a wrench or pliers.
Wrap the slip joint pliers jaws in masking tape to protect your shut off valve from any scratches caused by the sharp edges.
Place a bucket or a thick towel on the floor under the leaky valve just in case some residual water leaks out during work.
So if there is a leak at the valve stem it most likely means the valve is not shut off all the way.
If your water supply valve is leaking you may not need to replace it.
Support see jane dri.
Reassemble the shutoff valve turn the main house valve back on and check for leaks.
Remove the old washer and slide on the new one.
There s an easy way to fix it and you may want to give it a try.
Next remove the handle from the stem and then loosen and remove the packing nut.