Question about Maytag MDB7100AWB Dishwasher

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Poor wash performance - spray action not energetic enough

After 7 years of use, our Maytag MDB7130 is showing poor wash performance because the water is NOT being sprayed energetically enough. I cleaned screens and that certainly restored performance for a while but now I need to clean screens more and more often. Now only 2 days since screens cleaned and washing performance is just abysmal. Plenty of nice hot water in tub, just doesn't splash as hard as before, e.g. the soap in the dispenser isn't even getting exposed to the water! Going to pull arm and filter cover off and clean again but I may have to disassemble even farther. Any ideas?

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  • Bob Groh Aug 27, 2008

    Found the solution - a much more complete cleaning! I discovered that I could disassemble much more of the innards including the screen (which just pulls up and out), and the arm that mushs the garbage. Also yanked down the arm at the top of the tub (comes out with a bit of extra force - who knew!). Thoughly cleaned the screen in sink using toothbrush. Throughly cleaned the slots in the inner arm (they were virtually totally plugged). Cleaned both spray arms with a long thin needle. It is working great! Can supply more details.

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If you have hard water, I am told that Tang works well (citric acid).

Posted on Sep 10, 2008

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Same problem here! There's no obvious way to dissassemble, and on my model, MDB7100, I don't even have ability to clean the screens better than simply wiping them with my finger.

Am now considering strong cleansers, acids, and failing that, dynamite...

Posted on Aug 27, 2008

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