Question about Whirlpool GU2400XTP Built-in Dishwasher
I have a Maytag model MDB9100 about 9 years old that's not worked well recently. Here what worked for me.
If the obvious solutions listed in your owners manual don't solve your problem the filters may indeed be the problem. Start by removing the lower spray arm. There is no need to remove the arm from what I'll call the "arm base/cover assembly"; keep it clipped on. At the center of the arm is a knurled screw. It looks like a thin disk with several bumps on it, about 2 inches in diameter. It will unscrew (lefty-loosy) and allow removal of the arm assembly. At quick glance it appears to be a molded part of the arm but that's a clever disguise. Making this part a different color would be too helpful. What else would the Maytag repairman do it they made it easy for the do-it yourselfer?
Anyway, after removing the spray arm take note (or photos) of the visible parts, i.e, spray nozzle, 2 split plastic spacers. Be sure you'll be able to return these to their proper position later.
Remove the six torx (star-shaped) screws and lift the impeller cover off. Again note/photograph the position of remaining parts, i.e. filter, impeller. You will likely find the filter clogged with debris. It can be pulled out. On my model it is retained in a groove and take a bit of force to remove. I used water pressure (sink sprayer) and a toothbrush to clean my filter.
Remove any debris from the sump/ drain area. Reassembly is reverse of installation. Be sure to flush out the arm assembly to unblock all holes before re-installing it.
I hope this helps.
Posted on Feb 04, 2010
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Posted on Jan 02, 2017
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