Hey all.

I had to replace my faucet in the bathroom and after turning off the cold water valve and then turning it back on after replacement it has decided to slowly drip a drop of water about every 10 minutes.
Picture below that shows where the water is coming out of and you can actually a drop forming on the hex nut

I'm not sure if I can remove that entire valve with the hex nut on the far left or not... I don't want to break anything by assuming.

If you have enough pipe sticking out, the proper fix is to cut all that old crap off and put on a new valve. I think you can press on one, but not positive. I would try cutting off the water and seeing if that old valve is compression fitted on and will wrench off.

Replacing that valve shouldn't be too bad.

Cut the water to the house, crescent wrench on the "nut" closest to the wall and pipe wrench/channelocks on the valve.

But, the first thing I would do is take the handle off and see if you can tighten the outside piece.

87IE said:

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But, the first thing I would do is take the handle off and see if you can tighten the outside piece.

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So the "nut" that is farthest right in the picture? I can try to tighten that? and that may stop the drip?

My preference would be to replace the valve with a 1/4 turn valve. But you can also repack the old one


https://www.wikihow.com/Pack-a-Water-Shutoff-Valve

91_Aggie said:

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87IE said:

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But, the first thing I would do is take the handle off and see if you can tighten the outside piece.

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So the "nut" that is farthest right in the picture? I can try to tighten that? and that may stop the drip?

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Yes.

Yes. Shouldn't need to snug it much.

Also, make sure the valve isn't opened as far as possible. Close it back by ~1/8 of a turn.

1) turn off water to house.

2) unscrew water line to sink.

3) unscrew the compression nut on the left and push it back and pull old valve off.

3) using channel locks.set just wide enough to close on the compression washer. rotate it back and forth while pulling towards yourself. don't clamp down too hard or you will compress the copper line.

4) install new 1/4 turn valve

i've done this on 2 sink and 1 toilet in my house so far.