Bathroom Sink Drain Pipe Replacement

Replacing your bathroom sink drain pipe is a fairly straightforward plumbing project that you can do yourself with just a few basic tools. Here's a step-by-step guide to help you get the job done:

Tools and Materials You'll Need:

Adjustable wrench
Pliers
Bucket or old towel
New drain pipe
Plumber's putty
Teflon tape (optional)

Step 1: Turn Off the Water Supply

Before you start working on the drain pipe, it's important to turn off the water supply to the sink. This will prevent any water from leaking out while you're working.

To turn off the water supply, locate the shut-off valve under the sink. Turn the valve clockwise to close it.

Step 2: Disconnect the Old Drain Pipe

Once the water supply is turned off, you can start disconnecting the old drain pipe. Use the adjustable wrench to loosen the nuts that hold the pipe in place.

Once the nuts are loose, you can pull the old drain pipe off the sink drain. Be careful not to spill any water that may be trapped in the pipe.

Step 3: Clean the Sink Drain

Once the old drain pipe is removed, take a moment to clean the sink drain. Use a damp cloth to wipe away any dirt or debris.

You can also use a small brush to clean the inside of the drain. This will help to remove any clogs or buildup that may be preventing water from draining properly.

Step 4: Apply Plumber's Putty

Before you install the new drain pipe, you need to apply a bead of plumber's putty around the base of the drain. This will help to create a watertight seal.

To apply plumber's putty, roll it into a snake-like shape. Then, press the putty into the groove around the base of the drain. Be sure to smooth out the putty so that it creates a continuous seal.

Step 5: Install the New Drain Pipe

Now you're ready to install the new drain pipe. Align the gasket on the new pipe with the drain hole in the sink. Then, push the pipe into place.

Once the pipe is in place, tighten the nuts that hold it in place. Be sure to tighten the nuts securely, but don't overtighten them.

Step 6: Connect the Water Supply

Once the new drain pipe is installed, you can turn the water supply back on. Open the shut-off valve under the sink to allow water to flow into the sink.

Check for leaks around the drain. If you see any leaks, tighten the nuts that hold the drain pipe in place.

Step 7: Test the Drain

Once you're sure that there are no leaks, you can test the drain. Run water into the sink and check to see if it drains properly.

If the water drains slowly, you may need to clear the clog from the drain. You can use a drain snake or a chemical drain cleaner to clear the clog.

That's it! You've now successfully replaced your bathroom sink drain pipe.