Question about GE 24 in. Profile PDW7800 Built-in Dishwasher

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PDW7800 lower spray arm making clunking sound

The lower spray arm making noise - a thunking or clunking sound. Removed and replaced the arm to make sure it was sitting correctly, it seems to be, but noise remains. Any ideas or solutions?

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1. The spray arm has an aluminum piece on the bottom side of the spray arm. It kinda separates away from the plastic arm and as the spray arm turns, it hits the inner door liner. You can see the scrape marks it makes on the door liner. You can bend the aluminum edge upwards with needle nose pliers or try to make it tight to the plastic spray arm by pushing on he tabs.
2. If you have removed the spray arm make sure the thin silver washer is still inside the hole were the spray arm inserts use a flashlight and look inside that section. If missing, it can also make a noise.

Posted on Apr 25, 2014

  • Darlene Barber
    Darlene Barber Apr 25, 2014

    Thanks, that's what it was. I tried bending the metal blade up, but it wouldn't stay.

  • Darlene Barber
    Darlene Barber Apr 25, 2014

    I ended up ordering a new arm and popping it in. Very easy to do! No more thunking sound!

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Posted on Jan 02, 2017

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SOURCE: noise when spraying

The wash arm(spray arm) is not a tight fitting item,as for the noise the when spraying have a look at the spray arms the are a few holes on each side and top and bottom of each arm,you will need to remove the arms of possible they normally have a quik release system where you push two small fingers together and the arm releases,then inspect these holes and you will probebly find that some are blocked this cuases a uneven flow of water and thus makes the arm rotate un even and make a noise if you find there is food of sorts in these holes remove and put the arms back and that should take care of the increased noise.

Posted on Feb 05, 2009

  • 81 Answers

SOURCE: Dishwasher - excessive noise from lower spray arm.

Remove the spray arm (just pull it out) and clean the "seat" with soap and a nylon bruch and se if the problem continues.

Posted on Apr 24, 2009

  • 81 Answers

SOURCE: removed lower spray arm:ge gld5500 dishwasher. Can reinstall.

Yes!

Posted on Apr 24, 2009

  • 547 Answers

SOURCE: Makes a loud buzzing noise when running

My dishwasher (very basic GE model) did this once. The buzzing only happened when it was washing the dishes, not during drain or fill parts of the cycle.

In my case, the issue turned out to be a bit of plastic (part of a drinking straw) that was stuck in the pump assembly. Whenever the pump was on, this bit of plastic was getting dragged over a metal filter plate, and sounded a lot like a kid with a card clipped in the spokes of a bike.


Good news was that I didn't need to buy any parts, simply disassemble the pump housing and pull out the plastic.

Bad news is that it took me a few hours to get the dishwasher out, apart, back together and re-installed.

Good luck with yours!


Posted on Jul 31, 2009

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Vic

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May 09, 2009 | GE 24 in. Profile PDW7800 Built-in...

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Dishwasher - excessive noise from lower spray arm.


Remove the spray arm (just pull it out) and clean the "seat" with soap and a nylon bruch and se if the problem continues.

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