The Most Common Toilet Problems and How to Fix Them

Common Toilet Problems Quick Fixes

Quick Fixes for Common Toilet Issues

Toilets are one of the most important plumbing fixtures in your home. But like any other appliance, they can run into problems. From a running toilet to clogged drains, these issues can be annoying and even costly if not fixed quickly.

The good news is that many common toilet problems can be fixed with a few simple steps. In this guide, let’s get you through the most common toilet issues, their causes, and how to fix them. If the problem is too complex, we’ll also discuss when it’s time to call a professional plumber.

1. Running Toilet

Replacing Flush Valve Gasket

A running toilet is one of the most common toilet troubles. It happens when water keeps flowing into the toilet bowl, even after flushing. This can waste gallons of water and increase your water bills.

Causes:

1. For flapper valve systems:

  • A faulty flapper that doesn’t seal properly.
  • A disconnected chain between the lift arm and the flapper valve.
  • An improperly adjusted float mechanism causes the tank water level to rise too high.

2. For canister-type systems:

  • worn-out canister seal that doesn’t close tightly.
  • Debris or mineral buildup prevents the canister from sealing properly.
  • A misaligned or damaged canister mechanism.

How to Fix:

1. For Flapper Valve Systems:

  • Remove the tank lid and check the flapper chain. Make sure it’s connected to the lift arm. If it’s too loose or too tight, adjust it.
  • Inspect the flapper valve. If it’s worn out or damaged, replace it with a new one.
  • Adjust the float arm or float cup so the water level stops about an inch below the overflow tube.
  • Check the refill tube and ensure it’s not inserted too far into the overflow pipe.

2. For Canister-Type Systems:

  • Remove the tank lid and inspect the canister seal. If it’s worn or damaged, replace it.
  • Clean the canister and the area around it to remove any debris or mineral buildup.
  • Ensure the canister is properly aligned and moves up and down smoothly. If it’s misaligned, adjust or replace the canister mechanism.

    If the problem persists, it might be time to call a licensed plumber to inspect the flush valve assembly or canister system.

    2. Clogged Toilet

    Unclogging a Toilet
    Image Source: Popular Mechanics

    A clogged toilet is another common toilet issue. It usually happens when too much toilet paper or non-flushable items like wipes are flushed down the drain.

    Causes:

    • Too much toilet paper or foreign objects in the drain pipe.
    • A slow leak or clogged holes under the toilet bowl rim can weaken the flush, resulting in an incomplete clearance of the waste.

    How to Fix:

    • Use a toilet plunger (preferably a bell-shaped toilet plunger) to dislodge the clog. Place the plunger over the drain hole and push down firmly, then pull up quickly. Repeat until the water starts to drain.
    • For deeper clogs, use a plumbing snake or toilet auger. Insert the snake into the drain pipe and twist it to break up the clog.
    • Avoid using chemical drain cleaners, as they can damage your plumbing fixtures over time.
    • If the clog is severe, it might be in the sewer lines. In this case, call a skilled plumber for assistance.

    3. Weak Flush

    Checking the rim holes for blockage.

    A weak flush can be frustrating and is often caused by insufficient water in the tank or clogged holes under the rim of the toilet bowl.

    Causes:

    • Low water level in the tank.
    • Mineral deposits or debris block the inlet holes under the rim.

    How to Fix:

    • Check the water level in the tank. Adjust the float arm or float cup to ensure the tank fills to the proper water levels.
    • Clean the inlet holes under the rim of the bowl using a piece of wire to remove any buildup.
    • Inspect the flush valve and flapper for proper function. Replace them if necessary.

    4. Toilet Leaks

    Replacing the wax ring due to water leak

    Toilet leaks can occur at the toilet base, supply line connection, or inside the tank. These leaks can lead to water damage and higher utility bills.

    Causes:

    • A bad seal at the toilet base due to a worn-out wax seal.
    • Loose bolts or a faulty supply line connection.

    How to Fix:

    1. For leaks at the toilet base, check the wax seal. If it’s compromised, replace it to restore a proper seal.
    2. Tighten loose bolts (such as flange bolts or seat bolts) to stop leaks.
    3. Inspect the supply line connection for leaks and tighten or replace it if necessary.
    4. If you notice condensation buildup on the tank, consider installing an insulated toilet tank to prevent sweaty toilet issues.

    5. Phantom Flush (Ghost Flushing)

    Inspecting the flapper valve for possible cause of ghost flushing

    Phantom flushing happens when the toilet randomly refills as if it were flushed. This is often caused by a slow leak from the tank into the bowl due to a faulty flapper.

    Causes:

    • A worn-out flapper or canister seal that doesn’t seal properly.
    • The water level in the tank is too high, causing water to seep into the overflow tube.

    How to Fix:

    1. Inspect the flapper valve or canister seal for signs of damage or irregularity. Replace the flapper or seal if it’s worn out.
    2. Adjust the float mechanism to ensure the water level isn’t too high.

    6. Loose or Sticking Toilet Handle

    Replacing Loose Handle

    A loose toilet handle or one that sticks can prevent your toilet from flushing properly.

    Causes:

    • A disconnected chain between the trip lever and the lift arm.
    • Rusty or broken adjustment screws.

    How to Fix:

    1. Remove the tank lid and check the connection between the trip lever and the lift chain. Tighten any adjustment screws or replace the handle if necessary.
    2. If the handle moves but doesn’t flush, the issue might be with the flush mechanism. Replace the flush handle or the lift arm as needed.

    7. Gurgling Sounds or Air Bubbles

    Gurgling sounds or air bubbles in the toilet bowl often indicate a clogged vent or issues with the plumbing vent.

    Causes:

    • A clogged vent on your roof.
    • A broken flange or clogged sewer pipe.

    How to Fix:

    1. Check the plumbing vent on your roof for blockages. Clear any debris or call a skilled plumber for assistance.
    2. If the issue persists, it could be a sign of a clogged sewer pipe or broken flange.

    When to Call a Professional Plumber

    While many common toilet repairs can be done with simple steps, some issues require the expertise of a licensed plumber. These include:

    • Broken flange or structural damage to the toilet base.
    • Persistent internal leaks or faulty vent issues.
    • Deeper clogs in the sewer lines that can’t be resolved with a plumbing snake.
    • Complex issues like constant water loss or phantom flushing don’t improve after DIY fixes.

    Preventative Maintenance Tips

    • Regularly inspect the toilet tank, flapper valve, and float mechanism for signs of damage.
    • Avoid flushing non-flushable items like wipes, paper towels, or feminine hygiene products.
    • Use Bio-Sol’s shock treatment product to maintain clean sewer lines and prevent clogged vents.
    • Schedule an annual water heater inspection to ensure proper water pressure and prevent cold water issues.

    End of the day…

    By addressing common toilet issues early, you can prevent costly water damage and keep your bathroom functioning efficiently. Whether you’re tackling minor clogs with a toilet plunger or replacing a faulty flapper, these step instructions will help you maintain your toilet’s performance.

    For more complicated toilet issues, don’t hesitate to call a professional plumber to ensure the job is done right.

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