From the sink drain the tailpipe leads into a.
Leaking plastic pipe under sink.
It is leaking down into my bathroom cabinet and getting everything wet.
When tightening connections doesn t do the job things may be complicated enough to warrant calling a plumber.
Pvc pipes and joint fittings are typically glued together with pvc solvent glue.
How to fix a leaky plastic sink drain pipe.
It s far more likely for water to leak from a bad connection and fortunately every connection under the sink is easy to tighten.
It s possible for a pipe or hose to spring a leak all on its own but it s rare.
Plastic drainpipes under you sink may leak from a number of locations and for a number of reasons but you can repair or correct these leaks yourself.
Find the exact source of the leak because pipe leaks in the middle of a straight run might use a quick fix method that is different from what is needed near a pipe fitting.
The leak is coming from where the plastic nut on the drain pipe meets the bottom of the bathroom sink.
There is water everywhere.
In many cases it comes from loose fittings especially the coupling nuts that connect the pipe sections together.
You open the sink cupboard door and oww.
If that pipe called a trap or p trap is leaking either fix it or replace it with an inexpensive new one before water damages the area under the sink.
Place a 1 gallon plastic bucket under the p trap the bend in the plumbing and turn on the water at the sink.
When a p trap leak occurs it s usually because the nuts aren t tight enough the pipes are misaligned or a p trap washer isn t seated correctly.
Plastic pipes do not require the same level of expertise to repair that metal pipes require and the pipes are cheaper to replace should you opt to do so.
Don t panic it s a straight forward job that in most instances does not require any too.
Look for where the drip is originating.
These connections are quick and permanent as the plastic parts are chemically fused together with solvent cement.
A permanent repair usually.
Remove any supplies or equipment from the area under the pipes.
I installed a new bathroom faucet and it came with a new drain pipe and sink drain outlet flange.
The faucet works great but the drain pipe is leaking under the sink.
Before you attack your leaky pipe problem examine the pipes underneath the sink to identify the culprit.