The toilet is Bubbling and Won’t Flush | Causes & Solutions

If your toilet is bubbling and won’t flush, you’re not alone. This is a common problem but one that can be fixed relatively easily. 

In this blog post, I’ll go over some of the causes of this issue and how to fix it. Stay tuned for more plumbing maintenance tips and tricks!

Why is My toilet Bubbling And won’t Flushing?

If your toilet keeps bubbling and not flushing same time, 

Cause1. Blockage Vent stack can Lead to a Toilet bubbling and not being flushable.

If the vent stack for your toilet becomes blocked, it can lead to several problems. One of the most common issues is that the toilet will bubble and not be flushable.

Making gurgling noise simultaneously is another symptom of your plumbing vent being blocked.

The plumbing vent or vent stack helps circulate air and gases out of the plumbing system and prevents sewer gas from entering your home. 

If the vent stack is blocked for some reason, the air and gases will not be able to circulate correctly, and it might cause the plumbing system to back up and bubble.

Suppose you suspect this is from your vent stack. In that case, you can unclog it in two simple ways- Either getting on the roof and clearing the vent stack or without getting on the roof and unblocking the plumbing vent.

Cause2. Your Toilet is bubbling and won’t flush Due to Septic Tank Blockage.

If your toilet is bubbling and won’t flush, there is likely a blockage in your septic tank. The blockage can be caused by many things, such as grease, paper, or even tree roots. 

The blockage will eventually cause the septic tank to overflow, leading to severe water damage if left untreated.

Suppose you suspect that your septic tank is blocked. In that case, it’s important to call a professional septic tank cleaner to clear the blockage. 

Attempting to clear the obstruction on your own might be unsafe and cause additional damage.

Septic tank blockages can be a pain, but they’re not impossible to fix. 

By following these tips, you can help prevent a blockage from happening in the first place.

– Don’t pour grease down the drain

– Don’t flush paper towels or other paper products down the toilet

– Don’t plant trees or shrubs too close to the septic tank

Cause3. A clog in P-trap can cause a toilet not to be flushable and make Bubbles.

P-traps are the curved pipes beneath your sink that catch water and debris. If these become clogged, it can cause problems with your plumbing, including a toilet that becomes difficult to flush. 

In addition, clogged p-traps can cause bubbles to form in your sink’s drain.

If you notice that your toilet is not flushing well, or if you see bubbles in your sink’s drain, it may be time to clean your p-trap. This can be a difficult job, but it is something that you can do yourself with a little bit of effort.

Fix the toilet is Bubbling and won’t flush: 

To clean your p-trap, you will need a bucket, a plunger, and a wrench. 

· First, remove the p-trap from the sink. Place the bucket beneath it to catch any water and debris that may fall out. 

· Use the wrench to loosen the nuts that secure the p-trap to the sink. 

· Then, use the plunger to clear any clogs in the trap. 

· Finally, reattach the p-trap and tighten the nuts with the wrench.

If you cannot clear the clog yourself, or if the p-trap is too damaged to be repaired, you must replace it.

Cause4. Sewer Line Blockage can cause a toilet to bubble up when flushed.

Sewer drain blockage can also cause wastewater to back up into the toilet bowl from the sewer line. This can create a bubbling sound when the toilet is flushed. 

In some cases, the blockage can also cause the water level in the bowl to rise.

If you experience any of these problems, it is essential to call a plumber to investigate and correct the problem. 

Left untreated, a sewer line blockage can cause extensive damage to your home.

Read More- Why upstairs toilet runs while downstairs is flushed

Wrap Up on – Why the toilet is bubbling and won’t flush 

It turns out the physics behind flushing toilets is more complicated than you might have thought. The toilet bubbling and won’t flush issue can be caused by various factors, including blockages in the drainage system or incorrect plumbing installation. 

So, what should you do if your toilet starts bubbling and won’t flush?

You could try some DIY methods to clear the blockage, but it’s always best to call a professional plumber for help. 

If you want to totally avoid this situation, have your plumbing checked regularly by a qualified plumber.

Q1. Why is my toilet gurgling in a septic system?

There are several possible causes for gurgling in your toilet.
· One possibility is that you have a clog in your septic system. If this is the situation, it is necessary to resolve it as soon as possible, or you may face a much bigger problem.

· Another potential reason for the gurgling is that your toilet isn’t correctly sealed. This can allow air to exit from the drainage system, which can cause a gurgling sound. If this is the problem, you can usually fix it by properly sealing your toilet.

· Finally, it’s also possible that your toilet is simply getting old and needs to be replaced. This isn’t a problem you can fix on your own, but it’s something to keep in mind if you’re hearing a lot of gurgling from your toilet.

No matter what’s causing your toilet to gurgle, it’s essential to take action as soon as possible. 

Gurgling can indicate that something is wrong, and if not addressed, it can lead to more serious and costly long-term problems.

So if you’re hearing gurgling from your toilet, take a closer look and see what might be causing it.

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