Repairing Guides

how to repair a garbage disposal

by Mr. Jamison Gleichner Published 3 years ago Updated 2 years ago
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  • Remove the bolts holding the discharge pipe to the disposal.
  • Disconnect the drain trap and remove the trap and the discharge drain pipe.
  • Check for clogs or obstructions and clean out any you find.
  • If none are found, the clog probably lies on the branch drain line going into the wall. Clear the obstruction with a ​ sink auger .
  • Reassemble the drain trap and reconnect the discharge tube to the side of the garbage disposal.
  • Run water, turn on the garbage disposal, and check to make sure the water runs freely.

Part of a video titled How to Fix a Garbage Disposal | The Home Depot - YouTube
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You'll just need a garbage disposal wrench or a broom handle. Get started by inserting the toolMoreYou'll just need a garbage disposal wrench or a broom handle. Get started by inserting the tool through the top of the disposal. Work it back and forth until the blades move freely.

How to safely unclog a garbage disposal?

Method 4 Method 4 of 4: Rotating the Garbage Disposal Blades Download Article

  1. Turn the garbage disposal off at the breaker or unplug it from the wall. Look under the sink to unplug the garbage disposal's plug.
  2. Insert an Allen wrench into the hole at the bottom of the garbage disposal motor. Get down under your sink and look at the bottom of the garbage disposal.
  3. Twist the wrench back and forth to help clear the disposal. ...

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How do you troubleshoot a garbage disposal?

  • Turn off power to the garbage disposal at the electrical service panel by shutting off the breaker controlling the circuit. ...
  • Take the offset wrench that came with the disposal unit and insert it into the flywheel turning hole in the bottom of the unit. ...
  • Once the wrench is inserted, turn it clockwise to dislodge the stuck impeller or flywheel. ...

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How to restart your garbage disposal?

Try These 3 Additional Steps

  1. Turn off the garbage disposal. Ensure that the garbage disposal is off at both the wall outlet and unplug the garbage disposal from the wall outlet beneath the ...
  2. Unjam the garbage disposal. Use a garbage disposal wrench and insert the toll in the center opening in the bottom of an appliance. ...
  3. Test. ...

How can I unclog my garbage disposal?

‘You should be able to see the bottom of the disposal when looking down through the sink. If not, use a sponge to remove as much water as possible from the disposal. Next, pour a third of a cup of baking soda into the garbage disposal, followed by a half cup of white vinegar. It will bubble and fizz for several minutes, but this is expected.

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What does it mean when your garbage disposal just hums?

The humming (or sometimes buzzing) sound that your garbage disposal makes is an indication that there is power coming into the unit but the blades are not turning. The humming sound can be a sign that the motor is clogged or jammed resulting in its failure to grind.

How do I get my garbage disposal to work again?

To reset garbage disposal follow these simple instructions:Make sure that the disposal switch is in the "OFF" position.Gently press the red button in to reset garbage disposal. ... Turn on a cold stream of water and turn the disposal switch to “ON” position, the disposal should now run again.More items...

What causes garbage disposal to stop working?

If your garbage disposal stopped working to clear waste down the drain, there is likely a clog. When the unit turns on but water backs up into the sink or doesn't flow into the drain at all, this issue points to a clog either within the garbage disposal or the sink's drain piping.

Why is my garbage disposal humming but not spinning?

Disposal Hums But Does Not Grind If the garbage disposal won't turn on but the motor makes a humming sound when you flip the switch, it indicates that the inner flywheel is jammed. Usually, this causes the appliance's reset button to pop or the circuit breaker to trip very quickly.

How do you know if your garbage disposal motor is burnt out?

If your garbage disposal has a burning smell or is smoking, the motor or motor capacitor may be burnt out. This can mean it is jammed with food waste, or a stubborn object may be stuck in the grinding chamber, leading the motor to overheat. To repair the garbage disposal, first shut off power to the unit.

How do you fix a garbage disposal that will not spin?

Take the offset wrench that came with the disposal and place it inside the flywheel turning hole at the base of the unit. Turn the wrench clockwise until you feel the flywheel turn freely. Alternatively, insert a wooden spoon handle into the drain opening and try to dislodge the flywheel.

How do you know if your garbage disposal is broken?

8 Signs of a Failing Garbage DisposalAbnormal Noises. If you've ever had a piece of silverware slip into your garbage disposal unnoticed, you know just how loud disposals can be. ... Frequent Resets. ... Inexplicable Clogs. ... No Power. ... Persistent Odors. ... Planned Renovation. ... Poor Performance. ... Water Leaks.

How long should a garbage disposal last?

between 8 and 15 yearsDepending on how they're used and maintained, garbage disposals will typically last between 8 and 15 years. Some disposals come with a 1-year warranty, and others have a 12-year warranty.

How do you unclog a garbage disposal with a plunger?

Place the plunger over the clogged sink drain and fill it with water (approx. 3–4 inches). Hold a wet rag over the adjacent drain and plunge vigorously for several minutes. Fight especially persistent or tough disposal clogs head-on with Liquid-Plumr® Clog Destroyer Plus+ Pipeguard™.

What to do if your garbage disposal is making a humming noise?

If your garbage disposal is still humming after you've unjammed it or manually rotated the grinding plate, there's a good chance the disposer will need to be reset. To do this, simply find the reset button and push it in. This will reset your garbage disposal.

How do you manually rotate a garbage disposal?

Use the wrench to manually turn the disposal's motor shaft first counterclockwise, then clockwise until the obstruction is dislodged and the motor shaft spins freely. It's okay to use some force when turning the wrench, just be sure to support the disposal unit as you do.

How to fix a garbage disposal

You should fix your garbage disposal as soon as you spot an issue because there are several things that can go wrong from it not working. Whether it's a clog, jam or leak underneath.

1. If your garbage disposal is not working at all

If the garbage disposal isn’t working at all, there are two things you need to try. The first is pushing the reset button at the bottom of the machine.

2. If your garbage disposal is humming

If you turn on the disposal switch and the garbage disposal makes a humming noise, the problem is a different one. ‘If it just hums, your disposal is jammed,’ says landlord and rehabber in the greater Sacramento region Robert Taylor of The Real Estate Solutions Guy. Note that a jammed garbage disposal will likely still drain.

3. If your garbage disposal whirs and spins

Another scenario is when it whirs and spins but the water doesn’t go down, or only goes down slowly. If that happens, it’s probably clogged.

4. If your garbage disposal is not grinding well

It might not be an outright fix but if your garbage disposal is not grinding well then you won't be able to use It properly.

5. If your garbage disposal is leaking

Leaks coming from below the disposal? Check the pipe connections which may need tightening.

Why is my garbage disposal not working?

To understand why a garbage disposal isn’t working, let’s review how it should work. ‘The garbage disposal mainly consists of a motor with a shredding mechanism that spins to chop up waste, and a drain line,’ explains industrial maintenance professional Jake Brandon, founder of JBBrandon.

How to get food out of a garbage disposal?

Stick a hex wrench or wooden spoon handle into the disposal. Rock it from side to side between the impellers to try to loosen any caught food. If you find some hard object, such as a bone, try to grasp it with tongs and pull it up. It is preferable to forcing it down the hoses.

How to stop a garbage disposal from clogging?

Occasionally, wall switches are not properly connected, so there should be no chance that power can get to the impellers. Hold a flashlight above the garbage disposal. Attempt to see down the disposal and find the cause of the clog.

How to remove a flywheel from a garbage disposal?

Find the hex holes. Use your hex wrench to loosen the flywheel at the bottom of the disposal. Remove any debris that is stuck in the disposal's flywheel. Loosen the lock nut on the flywheel and remove it, if you believe the problem is caused by the impeller blades.

Why is my garbage disposal not turning?

1. Determine if the impellers in your garbage disposal aren't turning. If this is the case, and you have checked for garbage disposal clogs, the cause may be the flywheel. Leaking from the bottom of the disposal may also be a problem with the flywheel. In this case the flywheel seal needs to be replaced.

How to remove a stuck food disposal?

Remove the rubber catch or cover if needed, and slide a hex wrench or wooden spoon into the disposal. Then, rock the wrench or spoon back and forth to move the blades and dislodge any stuck food. If there's a hard piece of food, like a bone, use a pair of tongs to pull it up out of the disposal.

What does it mean when a dishwasher leaks?

If the liquid is brown and discolored, then the leak is probably coming from a dishwasher intake or drain pipe. If the liquid is clear, it is most likely a leak from the sink. Run your hand across the garbage disposal seal on the sink, drain pipe and/or dishwasher intake. You may be able to feel where water is dripping.

What happens if you turn on a garbage disposal accidentally?

If a disposal gets turned on accidentally while your fingers are in the opening, the likelihood is that you will end up with bruised fingers, not bloody amputation. But this is not a risk that is necessary in any way. Never reach into a garbage disposal. If you follow that basic rule, the most common problems with a garbage disposal are easy ...

Where does a garbage disposal leak?

Common areas include the sink flange where the disposal connects to the bottom of the sink, the hose that leads from the dishwasher to the disposal, and hose that discharges waste from the disposal to the drain system.

Why is my garbage disposal slow draining?

Slow draining of a garbage disposal can be caused by a number of problems, but it's usually caused by the same kind of clogging that can slow any sink drain. Usually, the fix involves disassembling the drain trap and discharge pipe and removing any food waste clogging the pipes.

Why does my garbage disposal make a humming sound?

If the garbage disposal won't turn on but the motor makes a humming sound when you flip the switch, it indicates that the inner flywheel is jammed. Usually, this causes the appliance's reset button to pop or the circuit breaker to trip very quickly. This is not a situation you want to continue for very long, as it can burn out the disposer's motor unless the reset button or circuit breaker shuts things off.

Where is the switch on a disposal?

First, locate the switch that powers the disposal unit. It should be located on the wall, but it may be under the sink. At the main service panel, turn off the circuit breaker that powers the disposal circuit. Disassemble the switch controlling the disposal. Inspect the wire connections.

Is the Spruce a garbage disposal?

The Spruce / Lacey Johnson. The horror movie image of victims having hands and arms severed in a garbage disposal is entirely a Hollywood invention. In reality, the blades inside a garbage disposal are rather dull grinders, not gleaming, razor-sharp sabers. That is not to say that a disposal should be taken lightly—it is indeed possible ...

Can you check power to disposal?

For safety, don't work with the power to the disposal on. Additionally, it is always wise to check power to the switch using a voltage tester after you unplug the unit. This can point you to the potential issue, like a tripped or faulty breaker or GFCI, much faster if it is an electrical problem.

Where does a garbage disposal leak?

If the garbage disposal leaks into the base cabinet, you’ll need to determine where the leak is originating. First look for drips from the pipes (especially at connections) in the area under the sink. If leaks drip from the bottom of the garbage disposal’s body, see Garbage Disposal Leak, below.

Why is my garbage disposal jammed?

The jam is often caused by a piece of bone, a fruit pit, or something similar stuck between an impeller blade and the drain hole. Be sure to unplug the disposal or turn off the electrical circuit that powers it before making any repairs. If the motor has burned out, you’ll need to replace the disposal.

How to clear a jammed disposal?

To clear a jammed disposal: 1 Unplug the unit or turn off the circuit breaker that serves it. 2 Under the sink, look at the bottom of the disposal for a hex-shaped hole. If you see one, find a 1/4-inch hex wrench that fits the hole (often there is one attached to the disposal).

How do you know if your disposal is jammed?

You’ll know your disposal is jammed or clogged when the motor hums but the disposal doesn’t grind, is overly noisy, or runs and then stops before you turn it off. Don’t continue to run the disposal when it’s jammed—this can burn out the motor.

How to reset a dishwasher if the outlet doesn't work?

If the outlet doesn’t work with another device, go to the circuit breaker panel and reset the circuit breaker that serves the disposal. This breaker is often on the same circuit used by the dishwasher. Reset it by turning it all of the way off and then back on.

Can dishwasher water run through garbage disposal?

With this, dishwasher drain water can run through the garbage disposal, allowing the unit to chew up any large particles before they enter the drain pipes. Unplug or turn off the electrical circuit that powers your garbage disposal before making any repairs. Browse Helpful Items on Amazon.

Can you hear a garbage disposal running but not grinding?

If you can hear the garbage disposal running but it is not grinding, the blades may be broken. Normally, it isn’t worth trying to repair a broken garbage disposal. It’s usually easier and cheaper to just replace the entire unit. See How to Install a Garbage Disposal.

How to fix a leaking garbage disposal?

1. Insert an Allen wrench into the hole underneath the disposal. Unplug the unit, then climb underneath the sink and find the hole on the disposal’s underside. It will be hexagonal-shaped and in the center. Get the hexagonal wrench that came with the disposal unit and place its head in the hole.

What to do if your garbage disposal is stuck?

If the garbage disposal still doesn't work, it's time to call a plumber or replace the unit. Steps.

How to get rid of stuck blades on garbage disposal?

Spin the blades with a special garbage disposal wrench if they are still stuck. Instead of using the Allen wrench, get a garbage disposal wrench. It looks like a claw with 2 prongs on 1 end. Stick the prongs down the drain until they’re around the unit’s blades.

How to clean a garbage disposal that is stuck on the blades?

Run cold water into the sink and test the disposal unit. Remove the wrench, then turn on the water faucet. The water helps rinse away any debris still stuck on the blades. Plug in the unit and turn on the disposal. If you were able to rotate the wrench, the unit should work normally again.

How to check for a blockage in a garbage disposal?

Look down through the sink drain for any blockages. Get a flashlight and shine it into the sink drain and garbage disposal. Shine the light over the unit’s outer edge, since this is where blockages typically happen. Find the small teeth of the disposal’s blades on the outer edge and look for anything obstructing them.

How to remove a blockage from a disposal?

Remove blockages with tongs or pliers. For safety, avoid sticking your hand into the disposal unit. Instead, get a pair of kitchen tongs or pliers from your toolbox. Stick them down through the sink and into the disposal unit. Use them to break away any blockages you notice.

Where is the reset button on a garbage disposal?

The reset button or thermal overload button is on the bottom of the garbage disposal. Crawl under it and look for a red button. If it looks like it's sticking out, push it back into the unit. This may fix the jam right away.

How a Garbage Disposal Works

A garbage disposal, like most kitchen appliances, is powered by a cord connected to an electrical outlet or hardwired to your home’s power supply. Look under the kitchen sink; that’s where the garbage disposal unit is. If you have a double sink, it’s mounted at the drain closest to the electrical source.

Best Practices for Using a Garbage Disposal

You can head off garbage disposal repair by following some best practices:

Troubleshooting a Garbage Disposal

These are common signs of a garbage disposal not working and what to watch for before fixing a garbage disposal.

Gather Tools and Materials

You will need a few supplies before beginning your garbage disposal repair task:

Check Electrical Connections

If the disposal shows no activity at all, an electrical problem may be the reason. This is when you’ll have to know how to reset a garbage disposal.

Rotate the Impeller Plate

When you switch on the garbage disposal and it produces a low, humming sound, something is keeping the impeller plate or flywheel from turning. The humming means the motor is running even as the disposal is not operating. If it goes on for too long, the motor can burn out unless it trips the circuit breaker.

Rotate the Blades

The blades attached to the impeller plate can get stuck over time. When the blades fail to work properly, food waste can clog the sink and prevent water from draining.

How do I put a garbage disposal back in place?

The disposal should drop straight down. Set the garbage disposal down where you can work on and see the rubber gasket. Peel off the old gasket and put the new gasket in the same place making sure that it pops into the lip and sits flat. Now you are ready to set the garbage disposer back in place.

Where can I find a replacement rubber garbage disposal gasket?

You can find a replacement rubber garbage disposal gasket at a local hardware or home improvement store. Getting the right seal: Depending on which type of garbage disposal you have it may need a special gasket. To ensure that you get the right gasket to make a note of the garbage disposal model of taking the old gasket into ...

Why is my garbage disposal leaking?

If the garbage disposer is leaking from the very top rim where the rubber seal mounts to the flange the cause could be the big rubber gasket on the top of garbage disposal. Reason why it may leak: When the rubber gasket gets old it can develop a leak. Long periods of disuse when there is no water in the drain and garbage disposal can cause ...

What does leaking garbage disposal mean?

Hero Images / Getty Images. A leaking garbage disposal is something you might run across from time to time. Just because a garbage disposal is leaking does not always mean you need a new one. Doing a little bit of detective work and troubleshooting before replacing a garbage disposal can save you money. Here are the most common causes ...

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