Question about Whirlpool GU2400XTP Built-in Dishwasher

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Whirlpool Sound During Drain

The 2400XTPT cycles properly and works normally until the drain cycle starts. When draining first starts there is little noise but as the water is emptied from the unit the sound becomes unusual from that of when it was first installed. It only makes the sound when draining. The sound is not so much a grinding as it is the sound of a defective impeller or bad bearing. With the kick panel off I can reach and feel the drain pump and feel vibrations matching the sound. I highly suspect something is wrong with the drain pump. How difficult is it to replace the drain pump on this unit? And do you agree with my idea as to what the problem may be? There appears to be an electrical lead to this drain pump. Just wondered if the lead could be pulled during this noise to see if it is indeed the drain pump. What I really need is a master repair manual for this particular Whirlpool dishwasher.

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  • Anonymous Feb 20, 2008

    my whirlpool makes like a loud sucking sound errowow errrowow at

    some point in the cycle--probably while draining. very noisy but still

    works. did not remove pump, but cant see any thing in there



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Yes, you can pull one of the pump's leads to find whether the noise comes from the pump. You should unplug machine's power cable first and be sure that the disconnected wire is isolated. Before replacing the pump look that it clean from any foreign object/ Good luck!

Posted on Aug 18, 2007


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Why doesn't it work?

is the blue light a loading light ???(light that shines inside too allow you too see ) next all washers mfg after 2010 have a drain cycle after there first started , some of these can be mighty quiet almost imperceptible to hear , if you allow it to continue it will next add water and start to wash (if working properly) , the drain cycle was added because it was found out that everyone was prewashing dishes (silly I know) and then adding them to machine, this ,made for a lot of water runoff and then machine wasn't adding enough water for a total wash cycle , so mfg all figured it best to add a drain cycle first to all there washers

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If water does not drain at all then the drain pump could be blocked.
If only a little water is remaining but cycle is complete, then this is normal.
However, do check the kitchen drain is clear and you do not have a garbage disposer (insinkerator) in sink which is full. Normally empty it before you start the dishwasher.
Do you get any alarms (lights flashing etc)

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