Question about Whirlpool DUL300 XTL Built-in Dishwasher

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Loud grinding noise is heard during wash and rince cycles it is a Whrilpool model dul300 thanks for the help

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You might have something bouncing around in the wash pump inlet in front of the "chopper". Remove the lower arm and upper arm supply tube. Remove the screws then remove the screen, accumulator and inlet protector. You should see debris in front of the screen. 0ca22aa.jpg

Posted on Dec 28, 2007

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Dear Sir : please see the diagram attached.

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Loud sounds

Many Frigidaire dishwashers come with the promise of being the "quietest dishwasher in its class," according to Frigidaire. However, a quiet dishwasher doesn't necessarily mean that the dishwasher is silent, as some noises are normal. It can take some troubleshooting at times to determine if a noise coming from the dishwasher is typical or if it indicates a larger problem Listen for the sound of water filling and draining throughout the wash cycle. These sounds are normal and do not indicate an issue.

  • 2 Pay attention to the drain motor, which operates at the beginning of each cycle. This noise should be fairly quiet and should not sound like a loud, grinding or banging sound.
  • 3 Note that the sound will change when the wash cycle moves between the lower and middle spray arms. This sound should be temporary and fairly quiet.
  • 4 Look for hard items in the dishwasher grinder or filter if a loud crunching, buzzing or grinding sound is heard. The dishwasher can typically grind up these items within one or two cycles, but the item may be lifted out and discarded to eliminate the sound.
  • 5 Remove the bottom rack and spray arms from the bottom of the dishwasher if there is a loud noise coming from the dishwasher that does not resolve itself. Look inside for the impeller, which is round and spins. Remove any debris that may be clogging up the impeller or pump.
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    Grinding noise from bottom inside during wash cycle.

    Something is caught in the pump portion of the washer.
    Should be a propeller type disc at the bottom.
    Check it for clogs or someting caught.A peice of broken glass or a straw,ive seen forks get caught there.
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    When washer is started make loud grinding noise

    Very likely the bearings in the motor have begun to fail. You can replace the motor, but for a 15 year old DW, sometimes it makes better sense to just buy a new one. Depends on the features the old DW has, vs new, vs motor replacement cost.

    Reply back and we can you more.

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    could be a blocked pump or capacitor fault,check if pump armature will move(centre rotating part)you may be able to view end of pump with lamp,there may also be a slot for a screwdriver to move armature,you will feel if there is something stuck,hope this helps

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    Loud grinding noise that should go way after one complete cycle. After 3 cycles it just gets louder and louder.

    Remove the lower spray assembly and clean out the sump area.
    Probably broken glass or a loose screw got in there.

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    Our dishwasher is making a loud noise during wash cycle.

    if you have a torx 20, and torx 15 screw driver, you an remove the screws from the top plate of the wash motor, and underthere youll see another t15 screw converingthe "chopper" assy, sounds as if a seed, of chicken bone, perhaps apiece of glass hasgottne down there

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    Well done by resolving this problem. The other way to avoid the siphoning problem through the drain hose is adding an air gap valve/connector (available at any hardware store). You can use it even if you don't have a garbage disposal in your kitchen sink. That will assure that you have the proper height of the drain hose.
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    this is a cutting blade that helps cut up bigger debri that should have been washed off the dishes, you should not be able to see it if you are not taking the cover off,, where is the cover?? you might want to lacate this,, this might be your whole problem, it could be stuck under the dryer element, or lodged in undr the blade that throws the water around,, locate this and you might have found the problem

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    Diswasher motor making noise during wash cycle

    It could be the impeller on the motor. The impeller fits over the shaft of the motor and might have split/broken up. That funny noise is probably the shaft spinning inside the damage impeller. Fortunately the impeler is fairly inexpensive and easy to replace. I believe there are one or two parts/covers to remove that are held in by a roughly half dozen torx screws.

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