How to Fix Leaky Pipe Under Sink

How to Fix Leaky Pipe Under Sink
4 min read
23 October 2023

Dealing with plumbing leaks can be a real headache, whether it's a leaking water heater or a burst pipe! However, if it's the water leakage under the sink, it can be a daunting and nerve-wracking situation. Overlooking this issue can cause small insects to congregate in the area, becoming a breeding ground for many illnesses. So, to keep the problem under control, it's prudent to call the plumber in Sacramento to examine the leak and promptly redress it. But unless the plumber comes, here are a few straightforward tips and tricks you can consider to handle the situation for some time.

Steps to Fix Leaking Sinks

Shut-Off Valve Problems

The "shut-off valve and compression fittings aren't appropriately screwed" is the most prevalent issue behind leaky drains. It usually happens due to high water pressure in the faucet supply hoses, causing the water to leak via unprotected spaces. You can resolve these issues using adjustable or locking pliers or a wrench.

Now, use one hand to hold the valve while tightening the compression nut using the wrench by rotating it. However, if the pipes are inaccessible or too crowded, consider turning and tightening the connections using the adjustable or locking pliers. 

P-trap Issues

While inspecting the leak, you'll notice a U-shaped pipe under a sink, which performs multiple functions, one of which is preventing sewage gasses from entering your home! 

Detecting leaks from this part is often caused by loose connections, which can be fixed by tightening the compression nuts by hand. If the pipe is metal, use the tools to tighten it snugly. But if you find difficulty spinning the nuts, it indicates the pipe is rusted and needs replacement. Call a plumber in Sacramento to install a new pipe! 

Yet, if the leak persists after tightening the nuts, clogged drains might be the problem. Remove the compression nuts and use an auger or any other means to clear clogged drains. 

Basket Strainer Leaking (Sink Drain)

A leaking basket strainer is the most typical leak in the home, caused by damaged parts that need replacement. To resolve this issue, first remove the filter, wipe the sink's surface until it sparkles, and leave it to dry! Afterward, examine the assembly to see if any pieces are broken. It can still be reused after cleaning and drying if it doesn't. However, if it's broken, consider replacing it with a new strainer, which is inexpensive. Now, repack the plumber's putty and remove excessive putty using scrapers and a dry towel. 

Other Leaking Problems

If none of the preceding is the cause of the problem, the faucet might be at fault! You may typically need a plumber's putty or replacement parts to fix the annoying dripping sound. 

First and foremost, determine whether the water is leaking from the faucet or running back down and dripping beneath the sink. The repair method might differ depending on the faucet type used in the home. While often disassembling and replacing one or two washers or gaskets is required, installing a new faucet might be best if the leak persists. 

However, if that isn't the case, it indicates something is severely amiss with the plumbing system. Engage a plumber as soon as possible to prevent the issues from exacerbating and triggering more harm.

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