Garbage Disposal Rattling: 5 Reasons Why and How to Fix!

Garbage Disposal Rattling? You’re just washing dishes when you notice your garbage disposal is rattling. There’s a chance one of the motors of the bearings is loose, but the noise of a garbage disposal bearing is easily distinguished from the noise of hard objects tossing inside the canister.

If your garbage disposal makes a rattling or humming sound, it may result from a congested grinding chamber. Food crumbs and debris can get stuck in this chamber, resulting in a rattling sound. Shut off the power supply of the disposal and inspect the opening to see if there’s congestion. You can use an offset wrench to turn the plates at the bottom of the unit and empty the jam. If there’s no food jamming them, the sound may result from a faulty motor or motor start capacitor.

The noise could also be from a faulty motor assembly, grinding ring or grinding plate. If it’s from these parts, you’ll have to replace your garbage disposal.

Garbage Disposal Rattling? How to Fix!

When your garbage disposal is rattling, the problem might be from the unit. When this happens, the noise isn’t as jerking as when something falls into the canister, but it’s more continual.

It might be that the garbage disposal impeller is loose. These impellers are made to spin around but not to be moving back and forth. They only start to move to and fro when the screws holding them are loose. These screws can only be tightened when the whole appliance has been disabled.

A rattling sound can also result from a faulty motor; if so, the performance of the disposal will be reduced, and it will often get stuck when working. In this case, it’s easier and cheaper to buy new garbage disposal than to fix the motor.

Garbage Disposal Making a Loud Noise?

Many of us think garbage disposal has a blade that cuts up what you put in. But the truth is, it doesn’t. There are oval metal impellers at the bottom of the canister that fling food against the side of the canister. This is where the real shredding happens.

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The shredder ring about an inch or two works on the principle of a cheese grater. If a hard object gets into the garbage disposal, it gets flung against the shredder ring repeatedly, making a rattling or humming sound.

This, however, doesn’t make the shredder ring to shred, it’s only the impellers that may get a dent, but they won’t be permanently damaged. Once you remove the object, everything will be alright.

How to Remove an Object From A Garbage Disposal

Never put your hand into a garbage disposal. If you need to retrieve something that falls inside and makes a noise, use a flashlight to locate the object and remove it with a pair of kitchen throngs.

If the object breaks while trying to retrieve it, remove every piece you see to avoid small pieces getting stuck in the gap between the shredder ring and the motor.

When a hard object such as a bone breaks in the garbage disposal and small pieces jammed in the gap, stopping the rotator from spinning and shuts up the power of the internal breaker.

To restore it to normal, spin the rotor with a hex wrench from the underneath to dislodge the jamming. Retrieve them, click on the reset button and turn on the tap. Then run the disposal to clear the small pieces that remain.

What are the Signs of a Failing Garbage Disposal

Good garbage disposal like the InSinkErator garbage disposal will help keep your sink and pipes clean. When a problem arises with the garbage disposal, it can impact how you wash up and keep your kitchen clean.

Most garbage disposal problems respond to repairs. However, few indicate you need to replace your garbage disposal. Here are 5 top indicators you need a replacement:

Unusual Noises

If a silver object has ever slipped into your garbage disposal unnoticed, You know how noisy disposals can be. When you start noticing an abnormal sound, use your flashlight and check if there’s a metallic object like a spoon or fork.

If there’s nothing inside, then it’s probably the misaligned disposal components; therefore, they grind together when the machine is working.

In most cases, an adjustment can solve the issue, while in other cases, you’ve to replace your garbage disposed of, especially if the motor is damaged.

Frequent Resets

Using your garbage disposal reset button is to help the appliance overcome unusual situations like clogs and large loads. When your garbage disposal is fine, you don’t have to use the reset button frequently.

If you’ve to reset the disposal often or even every time you switch it on, it’s a sign your appliance is aging or has loose wiring and needs to see a plumber. If it continues to need resetting even after repairing it, this indicates you need a new garbage disposal.

Unexplained Power Issues

If your garbage disposal refuses to turn on or keeps turning off while working, check if the circuit is blown. If the electrical system is working normally, then you’ll need to see a plumber or electrician as soon as possible.

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Typically, these power issues indicate a faulty motor. The motor may be on its last leg or may have blown out. If the issues persist after many repairs, consider getting new garbage disposal.

Poor Performance

Most food remains will quickly run through your disposal with ease. If it’s taking a long time for your garbage disposal to break down food particles, the blades may need to be replaced or sharpened.

However, if the blade excessively deteriorates, you’ll have to replace the entire unit to be able to dispose of your garbage fast. When changing, consider going for garbage disposal with durable blades like the Frigidaire FF75DISPC1 3/4-HP.

Planned Renovation

While your disposal might not be giving your problem, it’s good you consider changing it when you’re renovating your kitchen.

Old kitchen disposal may not offer you the functionality you expect in a brand new, modernized kitchen. You should consider replacing it, especially if it has been a decade since you last renovated your kitchen or installed a new garbage disposal. Most disposals have a life expectancy of ten years. After a decade, you’ll notice the blades are sharper, the performance is slower, and it gets clogged more often. It’s an indication you need a new baby.

Garbage disposal will not last forever; even the best one will eventually need to be replaced one day. When the time to replace your garbage disposal comes, here are some tips to help you make the right choice.

What Should I Consider When Picking a New Garbage Disposal?

It might not be on your priority list to change garbage disposal, but if you find out your disposal frequently gets clogged, makes a rattling sound or continuously gives a bad odor, you need to replace it.

As you head to the market to choose new garbage disposal, consider these three factors:

The size of the motor:

A smaller motor of about ½ HP is enough for a single homeowner who grinds softer and has fewer food leftovers. A ¾ or 1 HP motor is ideal for a large family that eats at home and disposes of food garbage.

A larger motor tends to work more smoothly, with less jamming and less stress on your water waste system.

The Size and Material of the Grinding Chamber

This also depends on the size of the family. A small size chamber will have less HP and will have motors that can handle a little amount of food.

While chambers with more HP will be larger since the motors can handle more food waste. Also, consider blades and chambers made from stainless steel as they’re more durable and efficient, don’t rust and are easier to clean.

Go For a Garbage Disposal with Extra Features

Every garbage disposal makes noise. However, higher quality and expensive units like the Waste King L-1001 Garbage disposal tend to have insulted grinding chambers that make less noise.

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Moreover, some models offer extra features like sound baffles that lower the unit’s decibel and anti-splash baffles to keep your sink clean and a corrosion shield to prevent rusting. If you have a septic system, consider buying garbage disposal with an enzyme reservoir to help break down food crumbs faster.

Save Money By Replacing Your Garbage Disposer Yourself

A brand new garbage disposer can cost as low as $50 – though it will be small and low powered. There are also high-end disposals that cost about $200 that are more powerful and less noisy, with stainless steel blades and several years’ warranty. After getting new garbage disposal, you can save them hundreds of dollars. You’ll pay a plumber to install it by checking DIY garbage disposed of and installing it yourself. However, you’ll be better off paying a professional to do it for you!

FAQs on Garbage Disposal Rattling

This section will look at some of the commonly asked questions by users about the garbage disposal

How do I Fix a Garbage Disposal Rattle?

If your garbage disposal is rattling, it’s probably due to a hard metallic object that slipped unnoticed. Check the grinding chamber and use tongs to remove the object. If there’s no object inside, then it may be the motor is failing. To fix that, you’ll need the service of a plumber.

Why is my Garbage Disposal Noisy?

If you hear your disposal making too much noise, especially a humming or whirring sound, it’s probably due to an object jammed between the shredder ring and the impellers. A hum indicates that the motor is powered, but the impeller is stuck.

Are the Blades in the Garbage Disposal Loose?

The blades in a garbage disposal are made to move side to side on their rivets, not to and fro or up and down. If the blades are loose, you can tighten them by turning the impeller plate with your hand.

Can You Lubricate a Garbage Disposal?

Yes, you can lubricate garbage disposal with water. It works as the lubricant for the engine and prevents the blades from grinding when you turn on the engine.

If you are not flushing enough water through the drain when using your garbage disposal, it can cause damage to the appliance.

Is it Okay to Pour Boiling Water Down a Garbage Disposal?

Pouring hot water down the garbage disposal will not damage it. You should use hot water, white vinegar and baking soda when cleaning your disposal.

Final Thoughts on Garbage Disposal Rattling

Garbage disposal usually makes a rattling noise to food and debris clogging up the grinding chamber. You can easily fix this by removing the debris. However, if the sound persists, it might result from a failing motor.

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