Question about Bosch 23 in. SHU33A Built-In Dishwasher

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Black spots on plastic items

After washing plastic items more often then not have black marks on themm, Apears like grease! Care is taken to ensure nothing is rubing agaist them. The machine is less then 2 years of age. DS

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  • Anonymous Apr 14, 2008

    Maytag washing machine leaves black marks on clothes (shape of "()").Mark is about 1" across.

  • ac man209 Nov 23, 2008

    shu9925 very small dark grey spots only on plastic items

    appears to be bearing grease.

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I have the same problem on my Bosch dishwasher Model # SHX33A05UC. It is about 6 years old. I have replaced three gaskets and it did not solve the problem. I am a 25 year mechanical engineer. I do not recommend anyone changing these gaskets on their own except for the long dishwasher door gasket (which goes along the top, left and right door edges) which is quite easy to replace. The other two gaskets, which were quite difficult to replace, were the gasket at the bottom of the dishwasher door and the sump pump gasket. I am still having the tar like black tiny dots depositing on my plastic tupper wear on the second shelf. I will likely not buy a Bosch dishwasher ever again. I will make my decision after hearing what Bosch tech support has to say about what I need to replace next. Could it be the rubber drain check valve not operating correctly? I need to find out. I have spent so much time trying to solve this black tar dot problem!!!

Posted on Jan 10, 2016

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Posted on Jan 02, 2017

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How to repair/reuse plastic suction cups Plastic suction cups are used in many...


<p>How to repair/reuse plastic suction cups<br /> <p>Plastic suction cups are used in many applications to hold things to hard smooth surfaces like glass, ceramic, laminate, metal, plastic, etc. With time the suction cups loose their holding (suction) strength due to hardening or deterioration. Before trashing and/or spending cash try this if you want a permanent or lasting installation. <br /> <p><span><span>1.<span> </span></span></span>Place the item in the position you want it to remain installed. Make matching marks to ensure that is were you want the item installed. Mark a dot in the center were the suction cup is to hold.<br /> <p><span><span>2.<span> </span></span></span>Clean the old suction cup suction face and mating surface thoroughly, ensure there is not grease or contaminants.<br /> <p><span><span>3.<span> </span></span></span>Apply a thin coat of urethane base all purpose adhesive such as UHU, Liquid Nails, etc. to the suction face and mating surface (do not use cyanoacrilates such as Super Glue or water based glues, they are too hard or too weak for the job).<br /> <p><span><span>4.<span> </span></span></span>Wait approximately 15-30 seconds for the adhesive dry to touch and press or install the item with suction cups at the desired location using your matching marks as guides. Keep the pressure for a few seconds to ensure good bonding. Once installed wait for at least six hours for the adhesive to completely dry, before loading or applying weight to your item if it is a hanger or shelve.<br /> <p><span><span>5.<span> </span></span></span>This should do the trick. If you need to disassemble your item in the future you may peel the suction cups gently using a scraper tool.

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