Kitchen Sink Leaking from Drain 5 Min Easy Fix You Can DIY a simple fix save some money on a service call and do it yourself with just an adjustable wrench this is usually caused by a bad seal between the sink and drain
Use an adjustable wrench and disconnect the pipe from the drain and then remove the drain and seal. Then we will clean the sink and seal everything up with plumbers putty and a new drain gasket. You might as well just replace the strainer while you are at it. These are the things you will need:
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OK let’s do this. The first thing is you want to be able to have access to your kitchen sink drain. So if there are products in the way just move them temporarily so you have unrestricted access to your drain.
Water Draining Away From My Sink…
Most plumbing today is done with PVC pipes which most of the time you can take off by hand. But if by chance your plumbing has not been upgraded this is where you will need your adjustable wrench. Just get it tight around the slip nut and give it twist counter clock wise.
PRO TIP: When Taking this apart keep all the nuts, washers, and gaskets in the order they come off or even better take a picture so you know how to reassemble everything when the time comes
Next, you need to remove the locking nut from the strainer. This is a huge nut and what I do is grab a flat head screwdriver and a hammer and hit it on the tabs. You can try your adjustable wrench first. You Can also buy a tool here on Amazon to use. In any case you need to get this off.
Simple Ways To Fix A Leaky Sink Drain Pipe
The next thing is to grab a piece of paper towel and clean the old plumbers putty off the sink. You can also use a scraper to get the stubborn stuff off. Just don’t scratch it up.
Prepare The New Parts For Install If you are replacing the whole strainer and I really suggest you do it because it is not very expensive and will avoid problems in the future. If not go to the next section.
Now, we are going to reinstall the sink strainer. Place it in the sink and lightly push down to squeeze out just a little plumbers putty. Then go under the sink and place the paper ring first then the rubber ring and slide the bottom of the strainer on. Next, screw on the brass nut and tighten by hand first then use your adjustable wrench to snug it up holding the tail so the strainer doesn’t spin.
My Kitchen Sink Has A Slow Leak Every Few Weeks. Do I Need A New Trap?
Next Reinstall your drain pipe making sure you snug up the nuts. Once that is done go back up top and remove any excess plumbers putty and save it for another day. Run the water and check for leaks. Thats it all done.This article was written by David Balkan and by staff writer, Hunter Rising. David Balkan is a Professional Plumber, CEO of Balkan Sewer and Water Main Service, and President of Balkan Sewer and Drain Cleaning. As a hands-on owner of these companies for over 40 years, David is knowledgeable about water service lines, sewers, and drain line issues. David is a Committee Chairman of the Master Plumbers Council and has sat on the Executive Committee of the Sub Surface Plumbers Association of New York for over 30 years. His knowledge and solution-oriented approach contributed to Balkan Sewer and Water Main Service being the largest and most trusted service in New York City and the recipient of the 2017 Angie’s List Super Service Award.

It’s always such a pain when you discover a leaky or broken pipe on your sink’s drain. When you find a leak, it usually means your pipes are loose, damaged, or worn out. Luckily, repairing your drain and pipes are really easy fixes you can do at home with a few supplies. If the leak drips from the pipes, then it might be loose connections or damage. If the leak comes from the base of your sink, then the sink strainer might be the culprit. We’ll start with some quick and temporary fixes to stop any leak right away, and then cover more permanent solutions depending on where you found the leak!
This article is based on an interview with our award-winning professional plumber, David Balkan, CEO of Balkan Sewer and Water Main Service. Check out the full interview here.
How To Handle Leaking Pipes Under The Bathroom Sink
This article was written by David Balkan and by staff writer, Hunter Rising. David Balkan is a Professional Plumber, CEO of Balkan Sewer and Water Main Service, and President of Balkan Sewer and Drain Cleaning. As a hands-on owner of these companies for over 40 years, David is knowledgeable about water service lines, sewers, and drain line issues. David is a Committee Chairman of the Master Plumbers Council and has sat on the Executive Committee of the Sub Surface Plumbers Association of New York for over 30 years. His knowledge and solution-oriented approach contributed to Balkan Sewer and Water Main Service being the largest and most trusted service in New York City and the recipient of the 2017 Angie’s List Super Service Award. This article has been viewed 184, 601 times.We have a somewhat interesting set up under our kitchen sink. There is a flexible pipe fitting connecting the sink drain to the waste pipe. We recently had a clog in the line and I had to disassemble that connection to unclog it. Now that it's unclogged and connected again it's has a small drip leak where the pvc connects to the waste pipe (see pics below).
As you can see, the pvc pipe isn't really secured onto the waste pipe. It was kind of just shoved in there maybe 8 inches. It wasn't leaking before but now that I removed it and put it back it has a slow leak. The last person to disassemble this was a plumber so I'm not sure what theory was on how that connection is supposed to be secured. Did he put some kind of sealant on it maybe? It does feel greasy on the outside, maybe like silicone. Whatever it was, apparently it worked and removing it has done something.

If your plastic pipe simply slipped in, then either the washer is completely missing or has stretched to the point where it's no longer functional. This is an example of a replacement slip-joint nut and washer:
Sink Leaking? How To Stop Simple Leaks
This one happens to have a red rubber washer. Most of the ones I've used have been some sort of translucent white plastic. I'm not sure which is better, but they both seem to work just fine. The sloped shoulder of the washer goes toward the pipe being attached to, while the square edge goes toward the nut and is tightened in place as the nut is tightened down.
To be honest, I'd suggest replacing that accordion pipe with a straight piece. The accordion pleats tend to collect gunk that leads to clogging, while the smooth inside of the straight pipe will collect
To fit the straight pipe in there, you'd have to cut a fair bit off of the tail that goes into the metal pipe stub (you indicated about 8 - that's a
Why Is My Kitchen Sink Leaking?
!). Once that's much shorter, you can loosen the slip joint nuts on the P-trap and wiggle the joints around. I'm willing to bet you could get the trap inlet to line up directly below the drain tailpiece and won't need the accordion at all.
Slight angle to get a smooth pipe in there and have been able to tighten the nuts down to avoid leakage. I do
Recommend it, but it's possible to get away with it if you cannot get a 100% straight line. YMMV... The worst case scenario is that you'd have to reinstall the accordion pipe, but that it would be an almost straight drop down, giving food gunk a far smaller chance of getting caught in a pleat.
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