Dishwashers were invented to make our lives easier. With it, you won’t worry about the dishes when you host friends and family for dinner.

Unfortunately, a dishwasher can be noisy. And you might not always like dishwasher making noise when water circulates.

Why is My Dishwasher Making Noise?

Most of the time, it’s normal for a dishwasher to make noise when the wash cycle starts. However, some of the noises you will hear from your dishwasher could signify some issues with your dishwasher.

So, you shouldn’t always assume or soundproof every noise you will hear from your dishwasher.

Dishwasher Making Noise When Water Circulates

Why is My Dishwasher Suddenly Loud?

If your dishwasher was operating normally, but you start hearing some noises, you might need to pay attention to it. This could signify some problem with the dishwasher or its piping system.

Finding the cause of the noise will depend on the kind of noise you will hear from your dishwasher.

Click here to learn on how to Soundproofing a Dishwasher: Tips to Make Dishwasher Quieter

Common Dishwasher Noises

The following are common noises you will hear from your dishwasher. Once you notice them, fix them before your dishwasher breaks down.

  • Grinding Noise

Your dishwasher will make a grinding noise if there is an object or item lodged at the bottom of the dishwasher. These include small items such as condiment containers or cutlery that could have fallen from the rack slits.

To deal with this noise, shut off the dishwasher, remove the impeller and look for any debris or items stuck around the chopper blade.

  • Rattling Noise

You will hear rattling noises from your dishwasher if the utensils are not placed properly on the racks. It could also be small objects stuck around the drain pump or chopper blade.

To deal with this noise, check any loose item and place it properly. If the noise persists, check the pump motor or contact a plumber to check your dishwasher plumbing issues.

  • Thumping Noise

If your dishwasher makes a thumping noise at regular intervals, the problem could be on the spray arm. It is hitting on an item as it rotates. It’s a common problem caused by large utensils.

To deal with this problem, open the machine and rearrange your dishes.

  • Banging Noise

If you hear a loud noise like someone is using a drilling machine and rattling pipes, it could be an issue with a water hammer. This is a common problem when your dishwasher water moves rapidly through pipes.

Why is my dishwasher vibrating?

Most dishwashers have a filtration system at the bottom of their tub. When large debris or food chunks fall into the filter, they cause a loud vibrating noise. So, it’s not a problem to worry about.

Parting Shot

It’s important to note that dishwashers make some level of noise. But if your dishwasher makes loud abnormal noises, you might need to inspect and fix the problem with your dishwasher.

Subscribe to Get Soundproofing Tips Directly to Your Inbox!

Signup now and receive an email once I publish new content.

I will never give away, trade or sell your email address. You can unsubscribe at any time.