After my dishwasher fills with water, and starts to run, the motor is making alot of noise. Its loud and I'm afarid to run it. Could the motor be bad?

Drain Pump

If the dishwasher is loud during operation, the drain pump might be defective or might have some debris in it. This is a common problem.


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Circulation Pump

If the dishwasher is loud during operation, and the noise is a continuous drone similar in speed to the circulation pump sound, it's likely that the circulation pump motor bearings have failed. Once this happens the circulation pump will have to be replaced, the bearings are not repairable.


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Drain Impeller

If the dishwasher is loud during operation, the drain impeller might be broken, or there might be debris in the pump. Generally, to gain access to the pump the top of the pump housing will have to be removed.


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Pump and Motor Assembly

If the dishwasher is loud the motor bearings, drain impeller or wash impeller might have worn out. All three of these components are part of the pump and motor assembly. It may be possible to replace one of the impellers, but the motor bearings cannot be repaired. In that case the pump and motor assembly will need to be replaced.


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Wash Impeller

The wash impeller is a small, plastic blade. The motor spins the impeller forcing water through the spray arms to clean the dishes. If one or more blades has broken off of the impeller the dishwasher is loud. The impeller can also scrape against the pump housing if it is damaged, warped or bent.


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Circulation and Drain Pump Motor

If the dishwasher is loud during operation, and the noise is a continuous drone similar in speed to the motor sound, it's likely that the circulation and drain pump motor bearings have failed. Once this happens the motor will have to be replaced, the bearings are not repairable.


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Water Inlet Valve

The water inlet valve is an electrically controlled water valve. When it is new, the water inlet valve is very quiet. Over time, the diaphragm inside the valve deteriorates and deforms. This deformation interacts with the water rushing in and can cause a loud vibration, buzzing, squealing or other noises. If the dishwasher is loud during the filling cycle, replacing the water inlet valve may solve the problem.

God bless you

Hello

When an appliance such as a dishwasher starts making a new noise, you need to isolate the cause of the noise so that you know whether or not it is damaging the machine. Several things can cause a noisy dishwasher.

Motor

Dishwashers are driven by an internal motor that gets quite noisy when defective. The problem occurs when a seal breaks down and allows water to access the bearings in the motor, removing the grease needed for proper lubrication and creating a loud motor noise when the dishwasher runs. The seal or bearings need to be replaced in this situation quickly or more extensive damage to the motor may occur.

Inlet Valve

If the inlet valve on your dishwasher is broken or breaking, you will hear a distinctive thumping or clattering noise whenever a load is run. A thumping noise doesn't always indicate this problem, however, depending on when you hear it. If you hear a noise like this when the water is filling up the dishwasher at the start of the cycle, the noise likely points to an inlet valve problem.

Squealing

A high-pitched squealing noise is an indication that something is wrong with the fan. Fan bearings that are worn out indicate that the fan apparatus needs to be replaced. If the noise you're hearing is in fact coming from the fan, it will only occur when the dishwasher is drying the dishes. Dishwashers use a fan to generate and distribute heat to dry the dishes quickly.

Minor Concerns

Sometimes even a minor concern can cause a great deal of noise. The thing to watch for is whether or not the noise repeats itself on multiple loads. A loud noise on a single load that doesn't repeat could be caused by things like a loose utensil or small implement rattling around loose in the dishwasher. Also inspect the bottom of your dishwasher. Hardened bits of old food can become rock hard under the heat in the dishwasher and cause noise when the unit runs.

That shows a leaking water seal. Water would run into the motor bearings which then rust and make noise. You probably need the motor / pump kit.

Hi Andy and welcome to FixYa. I am Kelly. That loud noise your hearing is the motor bearings. If you were to remove the lower kick panel you will prbably find signs of a slow leak of water has been trickling through the motor and you will see a water spot under the motor pump assembly.
You were correct in your assumption that it was bearings. What happens is the motor shaft ceramic seal starts leaking long before the home owner even notices it. Then the water gets into the motor and corrosion starts to build up. As the motor turns the bearing starts to spal as a result of the corrosion and you hear the loud noises.
The only fix for this sadly to say is a complete motor impeller assembly replacement. If your model number is the one associated with this post / question: KUDI01FLSS then there is one more digit after the last "S" that being one of the following numbers 0, 1, 2, 3, 4, 5 or 6.

The motor and impeller for your dishwasher Item 10 or 18 can be found here and is listed at $138.44:

http://www.appliancepartspros.com/partsearch/model.aspx?model_id=5164895&diagram_id=907556#d907556

The seal that has failed is item 23 of the same link. Changing the seal at this point will not stop the noise.

Thanks for using FixYa.

Kelly

Hello- Yep- it's toast. A small seal on motor shaft failed, causing water to destroy bearings. Motor is about 100$. Installation instructions available if you choose that route. Let me know if this info helps- have more if needed.- Thanks - Ed

GE Triton dishwasher loud noise after draining water. We started to hear a sustained and loud noise after water is drained. This noise is not heard during washing and draining times. What is wrong? Thanks a lot!

Most likely the motor as food caught in the sump would not make a noise you described.

http://tclaundryrepair.com/home

sounds like a bad motor, you can get a complete replacement of the motor and sump assembly for about $150-175. one piece includes new motor and chopper assemblies, less then a hour to change.

The washer may be attempting to run dry. Many times on these washers, a person may open the washer and then go to another load. The washer gets stuck with a dry pump until the timer tells water fill valve to open. Easy test. Start on regular cycle ,slowly advance the timer. it will click until you here the fill start and water will fill until.....

It seems that your motor on the dishwasher is going out, like mine has just done. My explanation is that it sounds like something is grinding on glass or as if a bunch of mice are making noise. Eventually, the motor will not run any more. What will happen is that the dishwasher will fill up, then make a loud humming noise, while the heating element is making the water near the heating element sizzle. Now what you have is a possible fire hazard which compounds the problem with the dishwasher. Get rid of it, take the loss and live like my grandmother used to, without having a dishwasher. That is the best advice I can give you.