Question about Whirlpool Dishwashers
Model ADP 4508 freestanding dishwasher. Fills but does not circulate water through the spray arms
Posted by Anonymous on
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Posted on Jan 02, 2017
when in the wash phase, listen for a low hum near the wash pump. if you hear this it indicates the wash pump capacitor is faulty or something jammed in the pump.after that you will have to access the wash pump and check if there is any supply to it
Posted on May 04, 2007
I checked. There is no sheet of any kind inside or below the door of my Whirlpool dishwasher.
In any case, opening up the non-washing washer revealed that the filter behind the chopper assembly was clogged with food. I cleaned it off, put the thing back together again, and it was washing dishes again, until about three days later. I took it apart again and found food clogging the filter behind the chopper. I thought the chopper wasn't chopping, so I replaced it. It was around $16. About three days later it wasn't washing dishes again.
Further examination (dis-assembly of the sump motor and impeller) revealed that the end of the impeller (which is designed to engage the chopper) had broken off, thus the chopper no longer spins with the sump motor. The impeller costs about $20 and isn't too hard to replace, as long and you keep track of what you've dis-assembled and put it back together in reverse order.
On whirlpool dishwashers, the sump motor drives the impeller (it's connected via the threaded end of the motor shaft) and the impeller, in turn, drives the chopper. The chopper you can replace from inside the tub, without removing the dishwasher from its home or taking apart the sump assembly. But save your $16, as that probably isn't what is wrong... The impeller, being screwed onto the motor shaft, requires complete removal of the dishwasher so that you can completely remove the base assembly that holds the motor assembly.
If you have a GU-series whirlpool washer, the tech manual can be found here:
It has complete instructions for the replacement of every part.
Posted on Dec 29, 2007
I found on my first dishwasher the arm holes were plugged. I had to clean out each and every hole with a small wire. They would not even turn until I cleaned them God luck.
Posted on Jan 31, 2009
SOURCE: Hi I have a Kenmore model
The top rack is not cleaning because of low water pressure from the wash motor to the upper spray arm.
Assuming the top spray arms are clear of debris, remove the lower spray arm to access the wash motor. Remove the 4 torx screws and the filter (accumulator assembly). Remove the torx screw and the inlet protector that covers the chopper assembly. Make sure the chopper is not broken (broken chopper will fill with debris and block water flow). While holding the chopper blade, reach inside the "D" shaped opening on top of the motor and spin the wheel/motor by hand in each direction to make sure either the chopper gear or the motor gear that drives the chopper is not broken. Replace the chopper if necessary (part # 8268383). If the motor gear is broken, replace the sump and motor assembly (part # 8535150). Remove any debris from the sump area in the process.
You don't have to because the door will be open, but if you feel more comfortable shutting off the power to the dishwasher, do so.
Posted on Mar 06, 2009
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I have an older dishwasher also and recently my wife also complained about it not cleaning right... so me being the man I am tried in vain to clean the things... Bought new spray arms online and installed them in minutes...now the thing works like new... However I have also found that if the heating element goes bad then that also can mess things up bad... So I would buy new spray arms, and also check out the heating element to make sure it is working... Here is a tip that will help you with the online buying...
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