Replace Valve Stem Under Sink

How to fix a shutoff valve leak.

Replace valve stem under sink.

To tighten the new valve begin by applying some physical force. With a few household tool. The valve stem loses its rigidity once the main nut is removed and you can lift it out of the valve socket. Removing the valve stem allows any remaining water to drain out making the unsweating process easier.

The valve is on a short piece of pvc pipe not copper and i just can t attempt to replace the whole valve myself for this reason. The water valve stem passes through a packing nut and washer which provide a watertight seal. Step 4 installing a new bathroom sink valve. Now i have to fix the shut off valve before i can even attempt to replace the fill valve.

Hold the valve with a pliers loosen the packing nut and unscrew the entire valve stem. It s not uncommon for a brand new shut off valve to leak around the handle area whenever you turn it on. Is probably occurring around the water valve stem. Knowing how to fix a leaky stem faucet saves money and the process is easy.

Peek inside and remove the old washer if it s stuck on the seat. The valve is only 10 years old so i assume this stem will fit without problems. The packing which looks like string keeps water from leaking out around the stem. Installing the new valve is rather easy since you can just insert the valve socket into the new valve body.