Question about Whirlpool GU2400XTP Built-in Dishwasher

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Top rack dishes are not clean

There seems to be no water getting to top rack.

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Re: top rack dishes are not clean

My Whirlpool dishwasher is only 2 years old and I started having the same problems. I dismantled everything I could and washed and scrubbed the entire unit with no avail, dirty dishes!! But I discovered a remedy! Try using Lemi-Shine for about a week with your regular wash-soap. If you are using the tablet form of soap, stop and try the powdered form. Follow the instructions on the Lemi-Shine container. You can find it just about anywhere for around $3.50. I was within "5 seconds" of replacing my 2 year old Whirlpool dishwasher when this caught my eye and I figured why not try it too? After the first wash I noticed a big difference the cleanliness of the dishes..and now it is running GREAT after 2 weeks!

Posted on Oct 06, 2007

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Check your upper wash arm.... check the holes, especially the ones at the end of the arm. Are they possibly clogged with debris or hard water? This is the usual cause of dishes on the top rack not getting clean. The holes at the end of the wash arm are angled to eject the water at an angle to use the reaction to push the wash arm around. If those holes are clogged, then the arm won't rotate, and only those few dishes or glasses right under the arm will get clean, and the remaining 80% of the dishes on the upper rack won't get clean!

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