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Valve under kitchen sink leaking.
Place a throw away towel or a bucket under the valve.
Each time you use the faucet the washer is pressed against the valve seat.
If there aren t individual shutoff valves.
The kitchen faucet leaking under the sink is a fairly common issue.
There s an easy way to fix it and you may want to give it a try.
Alternatively it could leak water under the sink meaning you ll only notice the leak if you look under the counter while the faucet is on.
Avoid gumming up the inside of the shutoff valve.
A worn out washer is among the most common causes of leaking sinks.
If your water supply valve is leaking you may not need to replace it.
Twist the valve under your sink to turn off the water supply valve or valves.
Required tools for this project.
If you do have to replace the water supply valve under your kitchen sink.
If the water continues leaking the packing nut or the valve fixture has been compromised.
If the water stops leaking the packing nut was the problem.
Reassemble the shutoff valve turn the main house valve back on and check for leaks.
Turn on the faucet and leave open allowing the remaining water in the line to empty into the sink.
Replacement of the valve is the only fix in.
Some water should come out so be prepared.
Don t use any pipe dope or plastic tape on the valve stem s threads.
Turn off main water supply to house.
The constant friction results in the washers wearing out by which time you will start noticing leaks around the spout.
Take the valve to your local home improvement store or go on.
Ignoring minor leaks can waste up to three gallons of water every day and can also lead to permanent water stains and rot under your sink.
Remove the valve with a wrench.
The shut off valve under a sink can go unattended for years without giving any problems but once it starts leaking it can lead to a mess quickly.
However calling a plumber can be expensive.