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Stumped Mom  
#1 Posted : Wednesday, February 16, 2011 5:33:38 AM(UTC)
Stumped Mom

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My Bosch Dishwasher has just started making a loud grinding noise when draining. It only makes the sound during draining. Can anyone help with this?? Thank you!
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Jeff / APP Team  
#2 Posted : Wednesday, February 16, 2011 10:01:04 AM(UTC)
Jeff / APP Team

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You either have something in the sump assembly, or you have a bad drain pump. You need to remove the bottom spray arm, the filter screen, and the cover. Once removed inspect around the drain pump opening for any trash that could be causing the noise. If there is none there, then go to the drain pump and remove it from the sump assembly. Check for trash there as well. If none is found in either place then replace the drain pump. The part number is
Part number: AP2802385
Stumped Mom  
#3 Posted : Friday, February 18, 2011 11:01:04 AM(UTC)
Stumped Mom

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Thank you very much for your help! I followed the directions and found what was giving me so many problems...a button. Only in my house...lol. Thanks again, my dishwasher is fixed!
Jeff / APP Team  
#4 Posted : Friday, February 18, 2011 11:06:05 AM(UTC)
Jeff / APP Team

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Thats Great! Glad we could help!
jmpheiden  
#5 Posted : Thursday, July 28, 2011 12:47:27 PM(UTC)
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Just wanted to post that I had the same problem and after following your directions, it ended up being the drain pump unfortunately...(would have rather loved pulling out something like a button and be done with it!). But---got a new drain pump and voila...no more grinding noise!! Found the Bosch repair manual online and was able to follow the directions and pictures to replace the drain pump.
http://rakerprivatelibra...ir%20Man%20SHI%20SHU.pdf

Thank you for your help and the internet!!:)
Jeff / APP Team  
#6 Posted : Thursday, July 28, 2011 12:50:46 PM(UTC)
Jeff / APP Team

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Hello jmpheiden. Glad you got it fixed, and glad we could help!! Thanks!!!:) :) :)
Kfease  
#7 Posted : Monday, May 27, 2013 9:52:48 AM(UTC)
Kfease

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I just wanted to say thank you! I was upset that my very quiet dishwasher was suddenly very loud and making grinding noises. I was worried it was broken. After searching the web and finding this post it turns out it was a tiny little pistachio just where you said to look. It's quiet as can be now. Thank you for saving us a repair bill :)
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