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Customer Questions and Answers for Valve, Water by Whirlpool

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    • Part Number: AP4113388
    • MFG Part Number: 99002628
    • Made by: Whirlpool
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For Whirlpool Valve, Water (Part Number: AP4113388)

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My dishwasher starts correctly and makes noises like it is washing dishes, but during and after the cycle the dishes are not wet and there is no water in the bottom of the tub. I don't see the arms spinning if I open it in the middle of a cycle and they are dry. The element in the bottom is also hot. The detergent comes out but does not get wet, it just rolls down the door. If I fill it with water from the sink and then run a cycle, it will wash and drain properly. The float goes up and down, and I hear the switch click. I started a cycle and held the rubber tube coming from the water valve and into the washer and I did not feel any pressure or water passing through it. It did not even heat up due to hot water passing through it. I tested the float switch for continuity and it passed. I also tested the solenoid on the water valve for continuity and it passed. I took apart the water valve and did not find a blockage. I tested the leads coming into the solenoid and when the cycle starts it reads 120V. I read that even though there is no blockage and the solenoid tests correctly, there may still be a problem with the water valve. I am not sure if the problem is with the water valve or the control valve as the washer continues to function even if there is no water in the tub and float switch is never tripped.

Chris for Model Number MDB6600AWQ

ANSWER Hello Chris, From the description you gave, I believe your water valve is in fact bad. You see, there is no test to see if the valve actually opens when the voltage is applied, short of removing the outlet and letting the water spew from it. The thing you should remember is the fact that the valve housing is made of plastic. When the coil is energized, this produces heat. If the unit is ever turned on when the water is off, this will cause the plastic housing to malform and if it does open, it will usually not close. The water passing through the valve actually keeps the valve from getting so hot that the plastic can malform. The next question I am normally asked is how does the hot water cool it? The hot water is still cooler than the valve gets so it keeps the valve cool enough that it doesn't malform. Please don't hesitate to ask us if you have any more questions we can help you with. 

Answered by AppliancePartsPros.com   |   Monday, April 16, 2012

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