Does your toilet refuse to stop running? Strange gurgling noise arising from your toilet bowl? From water leaks to odd noises, toilets can do all sorts of bizarre things.

The good thing is, with a little troubleshooting, there are numerous toilet issues you can solve by yourself. Here, the specialists at Central Heating & Plumbing will go over some of the most prevalent toilet problems, what they mean and whether it’s a situation you can fix yourself—or, if it is better to call in an expert.

1. Why Won't My Toilet Stop Running?

If your toilet won't stop running, it is something you should repair because it's in all likelihood also costing you money on your water bill.

A frequent reason for a running toilet is something incorrect with the overflow tube. Located in the tank in the back of your toilet, an overflow tube removes extra water from the tank into your toilet bowl so the water level in your tank doesn't get too high and spill over the top of the tank. At times, the problem is that the plastic tube connecting your fill valve to your overflow tube has become detached. If that’s the situation, you should be able to reach into the tank and reattach them. It also could be your toilet is running due to the fact the overflow tube is isn't tall enough for the water level and needs to be replaced by one that is the correct height.

Another reason for a toilet to run could be the flapper--which functions as a plug in the bottom of your tank—is malfunctioning and no longer forms the tight seal needed to hold water in the tank. This enables water to seep through or around the damaged flapper and leak out the bottom of your tank into your toilet bowl.

Sometimes a running toilet is caused by something wrong with your toilet float, which is a floating device that maintains the water level in your tank. It does this by shutting off your fill valve when the water level raises the float to the appropriate height. If your float is set too high, this will allow the water level to rise too high, and the unwanted water will go in your overflow tube and down into your toilet bowl.

2. Why Does My Toilet Keep Gurgling?

A gurgling toilet is often caused by a partial blockage in your toilet, drain lines, mainline or a blockage in your sewage vent. If the cause of the issue is a clog in your toilet, you can try to fix this by using a plunger or drain snake to loosen the clog. If this doesn’t work, you can check where your sewage vent exits your home to ensure it is not blocked by debris that would block air flow.

If you've confirmed the problem isn't a clog in the toilet or a vent obstruction, it would be a good idea to call a professional such an expert from Central Heating & Plumbing to evaluate the problem. As the trusted plumber in New Castle, Central Heating & Plumbing will find out if the issue was caused by a blockage in one of the drain lines directing toilet water out of your home or the mainline that removes waste water away from your home to the municipal water system.

4. Why Won't My Toilet Flush?

If you can’t flush your toilet, it's likely the problem can be found in the chain, flapper or the handle. That’s because there’s a chain within the toilet tank that is hooked to the back side of the handle. The other end of the chain is connected to the flapper, which acts as a plug in the bottom of your toilet tank.

The easiest way to get to the bottom of why your toilet is hard to flush is to lift up the lid, peer inside the tank and investigate.

Here’s how the process should work when you flush a toilet: you push down the handle, which pulls up the chain, then the chain pulls the flapper up and that enables the water to whoosh out of your tank and into your toilet bowl.

Sometimes a toilet doesn't flush because the chain is stuck on something in the tank, which stops the chain from pulling up the flapper to let out the water. Or, the chain is too long or gets disconnected from either the handle or the flapper. If this happens, unhook the caught chain or reach in and change it to the appropriate length.

At times flappers can get stuck as they age or become worn out. It's also possible there could be something awry with the handle.

5. Why Is There a Leak in My Toilet?

A dripping toilet can be a costly situation, potentially leading to water damage in and around your bathroom. Often, a leaky toilet is caused by a cracked supply line or a crack in the toilet tank. If your toilet tank is overflowing, it is often because there is something wrong with the toilet float.

Cracked gaskets around the connections on the underside of the tank also can let water to leak out of the toilet, as can a damaged toilet flange or wax ring at the base of the toilet where it attaches to the floor. The majority of these issues are best fixed by an expert plumber. 

6. Why Is There No Water in My Toilet?

A toilet that won't fill with water in many cases indicates a problem with the fill valve, which is what fills your toilet tank with water. If the tube is broken or is blocked by rust, sediment or mineral buildup, it potentially could not be allowing water into the tank.

Another common cause for your toilet not filling with water is something wrong with the float, which is a device that triggers the fill valve to stop letting water into the tank when the water has gotten to the correct level. The fill valve does this when the water level lifts the float to a preset height. It might be that the float/float assembly needs adjustment so that the water rises to the appropriate level. Or, solving the problem of a toilet not filling with water might require adjusting or changing the fill valve.