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Done Rite Services expert plumber fixing a leaky toilet by working on the internal components of the tank.

Did you know that a leaky toilet can waste up to 200 gallons of water a day? That’s not just water down the drain—it’s higher water bills and potential damage to your home if left unchecked. 

For many Tucson homeowners, dealing with a leaky toilet is a common headache, but it doesn’t have to be a costly one.

In this guide, we’ll walk you through the key steps to fix a leaky toilet, covering:

  • How to inspect and replace a faulty flapper.
  • The importance of checking the fill valve.
  • How to adjust or replace the overflow tube.
  • Signs of a failing wax ring and how to replace it.
  • Checking and fixing a leaking shut-off valve.

By the end of this guide, you’ll know how to spot and fix the most common causes of toilet leaks. If the job feels too tricky, contact us for an estimate at 520-369-3966, and let the experts at Done Rite Services handle it for you.

Shut Off the Water Supply

Before you start any toilet repairs, it’s crucial to turn off the water supply. This prevents unnecessary water waste and protects your bathroom from potential flooding. To locate the shut-off valve, look behind your toilet near the base—there should be a small handle. Turn it clockwise until it’s fully closed.

By turning off the water, you’ll not only avoid a mess but also create a safer environment to work on fixing the problem. 

Remember that if you’re uncomfortable shutting off the water or need help with an urgent issue, Done Rite Services is available 24/7 for emergency plumbing services, especially in Tucson’s older homes where plumbing issues can arise frequently.

Check and Replace the Flapper

The Flapper: The Most Common Culprit

One of the most common reasons for a leaky toilet is a worn-out or damaged flapper. The flapper is a rubber part located at the bottom of the toilet tank that controls the release of water when you flush the toilet. Over time, it can crack or fail to seal properly, leading to leaks in the toilet.

How To Inspect the Flapper

To inspect the flapper, lift the toilet tank lid and look for any cracks, warping, or discoloration on the flapper. If it appears damaged or worn, it’s time for a replacement.

Step-by-Step Replacement

Here’s how to replace the flapper:

  • Turn the water supply off.
  • Flush the toilet to drain most of the water in the tank.
  • Disconnect the flapper chain from the flush handle.
  • Remove the old flapper from the overflow tube.
  • Install the new flapper by attaching it to the overflow tube and reconnecting the chain.
  • Turn the water back on and test the flush.

If you’re not sure about the process or want a professional to handle the repair, Done Rite Services offers expert toilet repair services in Tucson.

Inspect the Fill Valve

The fill valve is responsible for controlling the water that flows into your toilet tank after each flush. If the fill valve is malfunctioning, it can cause the toilet to continuously run or leak. This not only wastes water but also leads to higher bills.

Plumber from Done Rite Services working on a fill valve to fix a leaking toilet tank.

How To Inspect the Fill Valve

To check the fill valve, remove the toilet tank lid and see if the water is rising above the overflow tube. If it is, the fill valve might be faulty. You can also listen for a continuous hissing sound, which can indicate that the valve is not closing properly.

Replacing the Fill Valve

If the valve is damaged, you’ll need to replace the fill valve:

  • Turn off the water supply, and flush the toilet to empty the tank.
  • Disconnect the water supply line from the bottom of the tank.
  • Remove the old valve, and place the new one in its position.
  • Reconnect the water supply and turn the water back on.

Done Rite Services can replace your fill valve with high-quality parts that ensure your toilet runs smoothly.

Adjust or Replace the Overflow Tube

The overflow tube is a critical component that prevents your toilet tank from overfilling. If it’s misaligned or damaged, however, it can lead to leaks. To check the tube, look inside the tank, and ensure it’s aligned properly and doesn’t have any visible cracks.

Fixing the Overflow Tube

If the tube is loose or out of position, you can try adjusting it back into place. If it’s cracked or broken, you’ll need to replace it:

  • Turn off the water supply.
  • Remove the old tube from the tank.
  • Install the new tube in place, making sure it’s secured properly.
  • Turn the water back on, and test the flush.

For quick fixes or replacements you’d rather not handle, Done Rite’s plumbing experts can diagnose and repair overflow tube issues fast and effectively.

Replacing a Worn-Out Wax Ring

If you notice water pooling around the base of the toilet, the issue might not be with the tank at all. Instead, you could be dealing with a worn-out wax ring. This ring is located between the toilet base and the floor, sealing the connection to the drainpipe.

Checking for Wax Ring Leaks

Look for water around the base of the toilet or a loose feel when you sit down. These are signs that the wax ring might be failing.

Replacing the Wax Ring

Replacing a wax ring is a more advanced repair:

  • Turn off the water, and remove the toilet from the floor.
  • Scrape off the old wax ring from the base and drainpipe.
  • Place a new wax ring in position, and reinstall the toilet.
  • Reconnect the water supply, and test for leaks.

If this seems like too much, don’t worry— Done Rite Services offers full toilet installation and replacements.

Fixing a Leaking Shut-Off Valve

Sometimes, the leak isn’t coming from the toilet itself but from the shut-off valve. This valve controls the water flow to your toilet, and over time, it can start to leak.

How To Check the Shut-Off Valve

If you notice water dripping from the valve or wet spots on the floor around it, you can try tightening the packing nut. If that doesn’t solve the problem, the valve might need to be replaced.

Replacing the Shut-Off Valve

To replace the valve:

  • Turn off the main water supply to your home.
  • Remove the old valve using a wrench.
  • Install the new valve, and reconnect the water supply.
  • Turn the main supply back on, and check for leaks.

If you’re not confident handling this repair, Done Rite provides reliable plumbing services to ensure it’s done right.

Preventing Future Leaks With Regular Maintenance

Regular maintenance is key to avoiding future toilet leaks. Simple tasks like checking the water level in the tank and inspecting for slow leaks can save you from costly repairs down the road.

Maintenance Tips

Here are a few maintenance tips:

  • Periodically check the water level in the tank. It should be about an inch below the top of the overflow tube.
  • Test for slow leaks by adding a few drops of food coloring to the tank. If the color appears in the bowl without flushing, you’ve got a leak.

Done Rite Services offers preventive maintenance packages for Tucson homeowners looking to keep their plumbing systems in top shape. Learn more about our plumbing services to avoid issues before they start.

Why Call a Professional?

While some toilet repairs are simple, others can be tricky—especially for residents of Southern Arizona with older homes. Calling a professional can save you time, stress, and prevent further damage to your plumbing system.

Done Rite: Your Trusted Tucson Expert

At Done Rite Services, we’re licensed, bonded, and insured, offering fast, reliable service at fair prices. We never upsell unnecessary services, and we’re committed to helping you get your plumbing back in working order.

Whether you need emergency plumbing or regular maintenance, Tucson homeowners can count on us. Contact us for an estimate or call 520-369-3966 today.

Fixing Your Leaky Toilet With Done Rite Services

Fixing a leaky toilet in Tucson involves checking key parts like the flapper, fill valve, overflow tube, wax ring, and shut-off valve. Addressing these issues promptly is essential to prevent water damage and reduce your utility bills. 

While some repairs are simple for DIY homeowners, others require more expertise or specialized tools. If you’re not sure where to start or need help with a more complex issue, Done Rite Services is here to help. 

Our experienced team is ready to assist you with professional repairs and replacements, ensuring your toilet works as it should. For immediate assistance, Call Done Rite Services at 520-369-3966 today.

Frequently Asked Questions

How do I know if my toilet flapper is faulty?

If your toilet keeps running or you notice water leaking into the bowl, your flapper may be damaged. Inspect it for cracks, warping, or discoloration. If it’s not sealing properly, it’s time to replace the flapper. A faulty flapper can cause significant water wastage.

How can I tell if my fill valve is malfunctioning?

Check the water level in the tank. If it’s rising above the overflow tube or you hear a continuous hissing sound, the fill valve may be faulty. Replacing the fill valve will prevent excessive water running and can significantly lower your water bill.

What are signs of a worn-out wax ring?

Look for water pooling around the base of your toilet or a loose feel when sitting down. These signs likely indicate a failing wax ring, which seals the toilet to the drainpipe. Replacing the wax ring can prevent water damage and leaks.

Can I replace a shut-off valve myself?

If you notice water leaking from the shut-off valve, you can try tightening the packing nut. If this doesn’t work, the valve may need replacement. While DIY is possible, it’s often safer to call a professional to avoid damaging your water supply system.