Dishwasher Making Noise When Water Circulates: Solved!

You know that annoying sound your dishwasher makes when the water circulates? It’s like it’s having its own little concert in your kitchen. But don’t worry, you’re not alone. Many dishwashers make noise, and it could be something simple. In this post, we’ll look at the common reasons why your dishwasher is making noise and what you can do to fix it. Let’s get your kitchen quiet again!

Common Causes of Dishwasher Making Noise When Water Circulates

When your dishwasher makes noise when water circulates, it could be due to a few common reasons. Here are some of them:

1. Loose or Worn-Out Parts

Dishwashers have many parts that help them work smoothly. Over time, some of these parts might get loose or wear out. For example, the pump that moves water might start making grinding sounds if it gets old. The spray arm, which sprays water on the dishes, can also get loose and hit other parts, making a clattering noise.

2. Clogs or Debris

Small bits of food or other objects can sometimes get stuck inside the dishwasher. When this happens, the water can push these things around, causing weird noises. For example, a tiny piece of bone or plastic might get stuck in the spray arm or pump, making the dishwasher sound like it’s rattling.

3. Improper Installation

If the dishwasher wasn’t installed correctly, it might not sit level on the floor. This can make it shake or vibrate when it’s running, especially when water is moving through it. A dishwasher that isn’t tightly secured to the counter can also make banging or rattling sounds.

4. Water Inlet Valve Issues

The water inlet valve is like a door that lets water into the dishwasher. If this valve is broken or blocked, it might make a buzzing or humming sound when water flows in. This noise can be quite noticeable during the wash cycle.

5. Motor Problems

The motor in the dishwasher powers the pump. If the motor starts to wear out, it might make a loud buzzing or grinding noise. This can happen when the dishwasher is trying to move water around but struggles to do so smoothly.

By understanding these simple causes, you can better figure out why your dishwasher is making noise and what you might need to fix.

How to Fix Dishwasher Making Noise When Water Circulates

If your dishwasher is making noise when the water circulates, it could be due to a few common issues. Here’s how to fix it, step by step:

Identify the Type of Noise

The first step is to figure out what kind of noise your dishwasher is making. Different sounds can indicate different problems. For example, a rattling noise might mean that something inside the dishwasher, like a utensil or a dish, is loose and banging around.

A grinding noise could indicate a problem with the dishwasher’s motor or pump. A thumping or knocking noise might be caused by something obstructing the spray arm. By identifying the type of noise, you can better understand what might be causing it.

Take a moment to listen carefully and note when the noise occurs, such as during the wash cycle or when the water drains. This will help you troubleshoot the issue more effectively.

Check for Loose Items

One of the simplest causes of noise in a dishwasher is loose items inside. Open the dishwasher and inspect the racks. Make sure all dishes, utensils, and pots are properly secured.

Sometimes, a fork or knife might slip through the rack and hit the spray arm as it spins, causing noise. Remove any loose items that might be causing the issue. You should also check the bottom of the dishwasher for any objects that might have fallen off the racks, like small lids or pieces of food.

If you find anything, remove it to prevent it from causing further noise or damage. Once everything is secure, run the dishwasher again to see if the noise has stopped.

Inspect the Spray Arm

The spray arm is responsible for spraying water throughout the dishwasher during the wash cycle. If the spray arm is blocked or not spinning correctly, it can cause noise. First, remove the lower rack to access the spray arm.

Check if it spins freely. If it doesn’t, there might be something stuck in it or it could be blocked by a dish. Remove any debris or objects that could be causing the obstruction. You can also remove the spray arm by unscrewing it and cleaning it thoroughly.

Check the holes in the spray arm for any clogs, and use a toothpick or small brush to clean them out. Once the spray arm is clean and spins freely, reattach it and run the dishwasher again to see if the noise is gone.

Examine the Dishwasher Pump

The dishwasher pump is responsible for circulating water and draining it at the end of the cycle. If the pump is faulty or has debris caught in it, it can cause grinding or humming noises. To check the pump, you will need to remove the bottom spray arm and the filter that covers the pump.

Be sure to unplug the dishwasher before doing this. Once you have access to the pump, inspect it for any debris or damage. Clean out any food particles or objects that might be stuck in the pump.

If the pump appears damaged, you may need to replace it. After cleaning or replacing the pump, reassemble the dishwasher and test it to see if the noise has been fixed.

Tighten or Replace Worn Parts

Sometimes, noise can come from loose or worn parts inside the dishwasher. Check the dishwasher’s motor, bearings, and other moving parts to see if anything is loose or needs to be replaced. If you notice any screws or bolts that are loose, tighten them.

If any parts are worn or damaged, you might need to replace them. Refer to the dishwasher’s manual for instructions on how to identify and replace parts.

If you are unsure about doing this yourself, consider calling a professional to help with the repair. Ensuring that all parts are in good condition and properly secured can help eliminate noise and keep your dishwasher running smoothly.

I hope this guide helps you understand why your dishwasher makes noise when water circulates. By checking the spray arms, filters, and other parts, you can find and fix the problem. If the noise continues, it’s a good idea to call a professional for help.

Are these Questions in Your Mind?

Is it normal for my dishwasher to make noise when washing dishes?

No, it is not normal for a dishwasher to make excessive noise. Some noise is typical, such as water splashing, but unusual sounds like grinding or loud banging might indicate a problem that needs fixing.

Can a dishwasher’s spray arm cause noise?

Yes, a spray arm can cause noise if it is blocked, damaged, or not spinning correctly. Debris or dishes obstructing the spray arm can result in unusual sounds during the wash cycle.

Do I need to call a professional if my dishwasher is making noise?

Not necessarily. Many common causes of noise, like loose items or a dirty spray arm, can be fixed with simple troubleshooting steps. However, if the noise persists or if you suspect a more serious issue, it’s best to call a professional.

Is it safe to use my dishwasher if it makes a grinding noise?

Using your dishwasher with a grinding noise is not recommended, as it could indicate a problem with the pump or motor. Continuing to use it might cause further damage. It’s best to inspect and fix the issue before using the dishwasher again.

Can food debris in the dishwasher cause noise?

Yes, food debris can cause noise if it gets stuck in the spray arm or the pump. Removing food particles and cleaning the filter regularly can help prevent this problem.

Do I need to replace the spray arm if it’s noisy?

Not always. The spray arm may just need cleaning or adjustment. Check for blockages or damage and clean it thoroughly before deciding to replace it.

Is it normal for a dishwasher to make noise when draining?

Some noise during the draining process is normal, but if it is unusually loud or persistent, it might be a sign of a clog or problem with the drainage system. Inspect the drain and filter for any blockages.

Can a loose dishwasher rack cause noise?

Yes, a loose or misaligned dishwasher rack can create noise during the wash cycle. Ensure that the racks are properly positioned and secured to prevent them from moving around and causing noise.

Do I need to clean the dishwasher’s filter regularly?

Yes, cleaning the dishwasher’s filter regularly is important. A clogged filter can cause noise and affect the performance of your dishwasher. Check the filter according to the manufacturer’s instructions and clean it as needed.

Is it possible for a dishwasher to fix itself if it’s making noise?

No, a dishwasher will not fix itself if it’s making noise. Regular maintenance and timely repairs are necessary to address any issues. If you notice unusual noise, follow troubleshooting steps or consult a professional to resolve the problem.