Deburr the pipe with a deburring tool.
Sink supply valve leak.
Required tools for this project.
The supply lines leading to the kitchen sink both hot and cold begin at a water supply valve and end at the faucet supply tube that is.
How to fix a leaky kitchen sink at the supply line.
To replace the packing washer remove the handle and packing nut.
My water supply valve under the kitchen sink leaks.
These inexpensive little valves rarely get used and when they do sometimes they leak.
Place a bucket under the old valve.
Turn on the water supply to the sink once the valve is back in place and the plumbing has been completely re secured.
I have the faucet installed in the sink but not connected to the hot and cold water.
Unscrew the handle the packing nut and the threaded valve stem photo 2.
Turn off the water at the house s main shutoff then disassemble the problematic shutoff valve without disconnecting the valve from either the water supply line or the line leading to the toilet.
After you are done fixing your leaky water shutoff valve check out how to fix a leaky shutoff with a supply valve piggyback.
If the leak persists before replacing the entire valve try this.
As the line fills watch out for leaks.
Water valve cutaway showing packing washer.
Turn off the next valve up the line which may be the main water supply valve.
If this happens to you you can simply replace the valve with a new valve that matches the old one.
When cutting the supply line cut slowly and gently so.
At this point if water is still exiting the valve it will need replacement.
If there is a leak coming from a supply line connection to the faucet or from the hot and cold water on and off valves it is probably related to a.
I am replacing the faucet in my kitchen.
The hot and cold water supply under the sink is turned off at the valves.
Fortunately a bad shut off valve is extremely easy to replace.
The cold water supply line from the wall is dripping water slowly.
Open the faucet to drain the line.