Replace Valve Stem Under Sink

Step 4 installing a new bathroom sink valve.

Replace valve stem under sink.

Now i have to fix the shut off valve before i can even attempt to replace the fill valve. The valve stem loses its rigidity once the main nut is removed and you can lift it out of the valve socket. To tighten the new valve begin by applying some physical force. It s not uncommon for a brand new shut off valve to leak around the handle area whenever you turn it on.

The packing which looks like string keeps water from leaking out around the stem. Replacing a shut off valve compression valve or angle stop may seem like a daunting task but it really takes less than 5 minutes. Knowing how to fix a leaky stem faucet saves money and the process is easy. The water valve stem passes through a packing nut and washer which provide a watertight seal.

Installing the new valve is rather easy since you can just insert the valve socket into the new valve body. How to fix a shutoff valve leak. 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.

Hold the valve with a pliers loosen the packing nut and unscrew the entire valve stem. These faucets have no aerators and are found mostly in laundry. Removing the valve stem allows any remaining water to drain out making the unsweating process easier. A leaky stem faucet usually means that the packing is worn out or needs tightening.