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why does my toilet keep running every few minutes

3 Reasons Why Your Toilet Is Running & How to Fix it 


You flush the toilet, and it keeps running. What could be wrong? 

Most people don’t know how to properly fix their toilet when it’s running, leading to further damage and an even bigger headache.

This article is a comprehensive guide that will walk you through every step of fixing your toilet so that it doesn’t keep running.

We’ll show you how to diagnose the problem, find the right parts, and get your toilet back up and running in no time.

The 3 Most  Common Reasons Why Your Toilet Keeps Running Every Few Minutes

Before you proceed to the steps on how to fix your running toilet, you first need to understand the common reasons why it’s running. There are 3 common reasons:

  1. The fill tube needs to be adjusted.
  2. The flapper is damaged and needs replacement.
  3. The float is set too high or low and needs to be adjusted.

Before we proceed on how to fix them. Let’s discuss first the tools and materials required depending on the problem.

Tools and Materials Needed to Fix a Running Toilet

If you are only dealing with a running toilet, then you will need the following tools and materials:

  • Rubber gloves
  • Screw
  • Cutting Pliers
  • Teflon tape
  • Replacement flapper
  • Replacement fill valve

Once you have the necessary tools and materials, you can then proceed to the steps on how to fix your running toilet.

If you find these methods complicated or unsure of how to do them, it is always best to call a professional to help you.

How to Fix a Running Toilet: A Step-by-Step Guide

Solution #1: Adjusting the fill tube’s length

why does my toilet keep running every few minutes

The fill tube is responsible for filling the tank with water. If it’s not adjusted correctly, it can cause the toilet to keep running. The improper position of the fill tube to the overflow tube, cause this issue. Once this happens, the water continuously flows into the toilet tank,  which causes the toilet to keep running.

Here’s how to adjust the fill tube:

Step 1: Shut off the water supply to the toilet by turning off the valve behind it.

Step 2: Flush the toilet and hold down the handle to drain out as much water as possible.

Step 3: Disconnect the fill tube from the fill valve by unscrewing it.

Step 4: Cut 1/2 inch off of the end of the fill tube using a cutting plier or sharp scissors.

Step 5: Reattach the fill tube to the fill valve and seal it in place. Make sure that it’s tight.

Step 6: Reconnect the water supply to the toilet and turn on the valve. Flush the toilet to check if it’s running properly.

Solution #2: Checking the Flapper if it is Damaged or Needs a Replacement

why does my toilet keep running every few minutes

If the flapper is not functioning well, it can cause the toilet to keep running. This is because the flapper is not sealing the opening between the tank and the bowl, the water continues to flow into the bowl and never empties.

Here’s how to check if the flapper needs a replacement:

Step 1: Shut off the water supply to the toilet by turning off the valve behind it and drain the water out by flushing the toilet.

Step 2: Open up the tank and disconnect the flapper from the chain by unscrewing it.

Step 3: Inspect the flapper for any damage. If it has, then you will need to replace it.

Step 4: Reconnect the flapper to the chain by screwing it back in place. Make sure that it’s tight.

Step 5: Reconnect the water supply to the toilet and turn on the valve to use the water. Flush the toilet to see if it works.

Solution #3: Adjusting the Float Level

why does my toilet keep running every few minutes

The float is responsible for turning off the water supply to the tank once it has reached a certain level. If the float is set too high or low, it can cause the toilet to keep running. We recommend adjusting the float level to set in the middle of its range.

Here’s how to adjust the float level:

Step 1: Turn off the water supply, then flush the toilet to drain the water.

Step 2:  Remove the tank lid.

Step 3: Look for the float and the float arm. The float is in the end of the float arm.

Step 4: Use a screwdriver to adjust the float height into the desired position. Make sure that the float is still able to touch the water and the arm is parallel to the tank floor.

Step 5: Replace the tank lid and turn on the water supply.

Step 6: Flush the toilet to check if it is working properly.

If you are still experiencing problems with your toilet running after trying these steps, then it is best to call a professional to help you. They will properly diagnose the problem and fix it for you.

Conclusion

Toilets are one of the most commonly used appliances in homes. If your toilet is constantly running, you can properly diagnose and fix the issue.

Hopefully, one of these solutions was able to help you and your toilet is now running properly. If not, then it is best to call a professional to help you out.

If you live in the Lower Mainland of Canada and need toilet repair or installation services, contact us for more information. With our expert team at Your Guy Plumbing,  we will be able to help you get your toilet running like new in no time.

John Relampago

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