Our 3 month old machine started making a high pitched squeel the other day during the wash cycle. Now it has started on the rinse cycle on the Quick setting. Model LD149.

How To Fix A Washing Machine Making Noise During The ...

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Dishwasher Making Loud Grinding Noise During Wash Cycle

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Apr 11, 2014 - Dishwasher Making Loud Grinding Noise During Wash Cycle ... GE, Whirlpool, Frigidaire, KitchenAid, Maytag, Kenmore, and LG) this is a .... Our Amana dishwasher is making a loud, high-pitched squealing noise throughout the wash ....Out Of A Washing Machine - Top Load & Front Load September 30, ...

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Does it make the noise when it is filling with water?

could have been the motor,you might also smell like a shellac kind of smell,when the motor overheats,also how old is it and what's the brand name and model number.you can feel the motor,if it's hot then it is cutting out for some reason.

The dishwasher make "loud high-pitched squealing sound" during the rinse cycle that is periodic through out the cycle

Hey, consider the float assembly!

We bought this dishwasher and ran it for the last 1 1/2 months and it made a grinding and whistling sound from day one (it's supposed to be nearly silent in its operation). Turns out the drain pump was cutting in while the machine was still filling, thereby emptying the wash tub of any water. Then, when the cycle proceeded to wash, the dumb thing had no water and made a horrible noise. So I had to pitch in at least 2-3 litres of hot water, and then it worked quietly! Had to do this every time there was new water intake.

After working with the repairmen - four visits later, we isolated the float assembly as the problem and they set about replacing the part. Turns out the two parts were markedly different. LG HAD INSTALLED an older model float assembly at the factory and it was the problem. The replacement part was the correct float assembly and things worked perfectly after that - thank goodness. No more babysitting the dishwasher.

Don't let anyone tell you the motor assembly needs replacement. I have seen that cop-out 'fix' all over the web. But use deductive reasoning to find out where the problem is in the cycle, and explore this option first - it's a quicker and cheaper fix than replacing the whole motor assembly.

'Mr. Float' as he is now called works like this:
-expels any residual water in the tub from the last wash
-intakes water for the wash or rinse
-whirs 2-3 times prepping for the cycle
-begins to wash, quietly
-expels at the end of the wash or rinse.

He used to:
-expel residual water
-intake new water for wash or rinse
---drain pump would cut in WHILE still filling
-machine would whir once, realize it didn't have enough water
-perform a brief top-up intake shot
-begin to wash and whistle and GRIND (this is where I would have to add the water)
-expels water from wash or rinse, and start all over again.

It's a good dishwasher and it will work, but the right model parts have to be in place!

1) Make sure valve is open all the way 2) some machines have a screen inside of the hose hook up which could be clogged. 3) last check to see if it is the hot or cold by switch your selector switch on your machine to hot then cold. If one of these positions eliminate the noise then the valve in the machine is bad.

replace the motor coupler...you have to remove the case and then the water pump, then the motor....the coupler in behind the motor

How deep do you want to get into this?It sounds like the wash pump motor bearings that are worn.You can pull the unit out flip it over and wd40 the bearings in the motor or you can replace the bearings.Try to lube them first.

makes loud squeel at end of spin cycle

Sounds like the water seal is damaged and the leaking water has damaged the top bearing which is just below the water seal. You will need to have the hub & seal kit replaced.