How To Fix A Leaky Bathroom Sink Without A Plumber

A leaky bathroom sink isn’t just annoying. It weighs a gallon of water or gallons of water and drives up your utility bill. The good news is you don’t need to call a plumber to fix these common sink leaks. Whether it’s a dripping faucet or a leaky faucet under the sink Type situation that step-by-step DIY guide will walk you through the fence.

Common causes of a bathroom sink leak 

Before grabbing your tools, you need to identify where the leak is coming from 

• Leaky faucet and worn out washer or O-ring is usually the culprit.
• Leaks under the sink often or caused by loose pipe connections, or your pee trap is broken, or you have a faulty drain seal.
• Leaky sink drain you might have deteriorating, plumbing putty or a bad gasket can cause a slow leak.

How to fix a leaky bathroom faucet

If the faucet is consistently dripping, follow these steps.

Turn off the water supply

• Look underneath the sink for the shut off valves.
• Turn them clockwise to stop the water flow.

Remove the faucet handle

• Use a flathead screwdriver to remove the screw covers on top of the handle.
• You unscrew the handle with a screwdriver and lift it off.

Replace the washer or O-ring

• If you have a compression faucet, replace the rubber washer inside the valve stem.
• If you have a cartridge faucet, replace the O-ring and the cartridge.
• Make sure you bring the old parts to the hardware store to get the exact match.

Reassemble and test

• Put everything back together and turn on the water.
• If it still leaks, you might have to replace the faucet entirely.

How to fix a leak under the sink

Leaks from the pipes underneath the sink are usually caused by loose connections or a faulty P-trap.

Tighten up pipe connections

• Use an adjustable wrench to gently tighten the slipknots on the P-trap and drain pipes.
• Don’t over tighten this because it can crack with plastic pipes.

Check for cracks or damages

• If you notice cracks in your P-trap or pipes, replace them with new ones from the hardware store.
• Pee traps are inexpensive and easy to install. All you have to do is unscrew the old one and attach the new one.

Test for leaks

• Turn the water back on and check for drips.
• If you see water, make sure the connections are snug.

How to fix a leaky sink drain

If water leaks from around the sink, drain, you might need to reseal it.

Remove the drain flange

• Use tongue and groove pliers to unscrew the drain flange from the sink.

Apply plumbers putty

• Roll plumbers putty into rope and place it around the drain opening.
• Press the drain flange back into place and tighten the nuts underneath.

Check for leaks

• Run the water and check for leaks with dripping water underneath.
• If needed, apply more putty or use a silicone sealant for a water tight seal.

Final thoughts

Fixing a leaky sink isn’t as hard as it seems. With the right tools and a little patience, you can handle this minor plumbing repair yourself. However, if you’re sick continues to leak despite these fixes, it’s time to call a professional plumber.