Jeremy M Denton , TX February 15, 2016 Appliance: Whirlpool Undercounter Dishwasher GU2455XTSS0 Whirlpool Dishwasher Gu2455xtss0: Loud running dishwasher followed by no sound at all. How to replace Circulation Motor. My dishwasher was running super loud for several loads but appeared to be cleaning just fine. One day it went from super loud to hardly a sound at all, not even the sound of water. After finding this site I found others with similar issues and it pointed to the Circulation Motor. Normally I wouldn't feel comfortable with pulling the dishwasher out of it's slot and performing this type repair but after watching the video posted along side the pictures of the part it looked pretty easy so I took a chance. The repair turned out to be easy and probably took me less than an hour from start to finish. A big part of that was getting the water line disconnected from under the sink and then fishing the hoses back into the cabinet under the sink. My sink and dishwasher cabinets are angled towards each other so it's not as simple as just pushing the hoses through one panel. Anyway, the repair was super easy and that hour would be the end of it had I not messed up the water supply line while putting the dishwasher back into it's slot. My supply line was a copper tube and it came loose (or just failed) from it's connection under the dishwasher and I didn't discover this issue until the next morning when 1/3 of my living room carpet was soaked. After a day of sucking water out of my carpet and about 15 minutes of replacing the copper supply line with a new flexible weaved replacement supply line the dishwasher runs like new. My suggestions are to replace your supply line if you have a rigid copper tube like I did. Another suggestion is to take the panel off the bottom front of your diswhaser after putting it back in it's slot to look under the dishwasher for any leaks. Doing this would have saved me hours worth of work cleaning up the leak. Super fast shipping from appliancepartspros.com..... 91 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes