Question about Bosch SHU5307UC Built-in Dishwasher

2 Answers

How to disassemble the drain component

I have a "slow drain" problem. Only a trickle of water was coming out of the drain pipe at the connection to the sink drain, and since the drain cycle is on a timer, the pump shut off before all of the water was out. I eliminated the air gap and its attached hoses as a cause, looks like a blockage somewhere in the machine's drain line. I was able to pull a little material out of the hole at the bottom of the machine, and that improved the flow considerably, but I need to disassemble that plastic component at the bottom of the machine so that I can clean everything properly all the way through the drain line. I'm requesting a diagram, instructions, or where I can get a service manual so I don't get into trouble trying to take that thing apart. Thanks for any tips.

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  • whandley Dec 28, 2007

    Thanks, but when I click on the link I get an error message, "No correct login."

  • whandley Dec 28, 2007

    Thanks, but your suggestion sounds like what I've already tried and as I said, that helped, but there is more in there that I was unable to get out. So it's either try taking that thing apart, or throw away the machine.

  • whandley Dec 28, 2007

    Right, I've already done those things, I'm now at the point that I need to disassemble the component inside the dishwasher, at the bottom, where the drain hose connects. I understand that this could be a bit complicated, that there may be one or more valves inside this component to keep water from backing up, etc. I've already been able, as I said, to pull some material out of that hole and improve things, but I need to take it apart and clean it out properly. I don't want to disassemble it without knowing what it consists of and how to get it all back together, thus I'm asking for diagrams, instructions, etc for disassembling this component.

  • whandley Jan 05, 2008

    No, I'm afraid to use a drain cleaner, I've seen advice on these kind of sites that this should never be done because it could damage seals, etc. Without knowing what is contained within that component at the bottom of the washer, I don't want to risk it. The solution I'm asking for is really quite simple: where can I find a diagram showing me how to disassemble the component inside the bottom of the washer, where the water exits the machine?



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Yeah, that link does not work, I will try to find the right one.

Posted on Dec 28, 2007

  • Simon Zwaan
    Simon Zwaan Dec 28, 2007

    It might not drain because the drain solenoid[valve] is burned out or your drain line is simply clogged.

    Take the hose off where the drain connects to the disposal and check for clogs.

    You should be able to remove the front panel and locate the drain pipe, if its at the back you might be forced to take away the baseboards/toekick if you have them and slide the whole dishwasher out, exposing the drain pipe.

    That website might help.

    Hope that helped a bit.

  • Simon Zwaan
    Simon Zwaan Dec 29, 2007

    Have you tried using a drain cleaner ?

    like liquid plumber ?


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Diagram can be downloaded here there are no parts
available click on printer icon with multiple pages
in the lower right corner

Posted on Dec 28, 2007

  • Eugene Merritt Dec 28, 2007

    They no longer stock parts for that
    model so I wouldn't suggest
    damaging it try flushing with
    straight piece of wire and
    try flushing with water
    pressure if you cant reach
    it from underneath
    after removing the front
    trim panel

  • Eugene Merritt Dec 29, 2007

    Having a diagram is not the problem the piece is threaded
    in you will probably chew it up trying to remove it '
    the part is not available to John Q Public only a
    service part don't tell me you don't know how that
    works If you go to the service counter of a Bosch
    certified dealer they may show you the blowup
    of the part on microfiche or on the computer
    screen they may offer to sell you a service manual
    they may offer to sell you the part if you so desire
    .If you remove the part and go to service/parts
    facility they might sell you the part if they stock it
    or they may be able to order it for you



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Servicing the Water Pump

In most dishwashers, the water pump is located under the lower sprayer arm. This component pumps the water through the dishwasher. The pump has two impellers, top and bottom. These, as well as other components, can become clogged with food or detergent. Here's how to disassemble the pump:

Step 1: Remove the cap that holds the sprayer arm on.

Step 2: Remove the sprayer arm, the screen, the pump housing, a bolt, the upper impeller, the food disposer blade, a spacer plate, the impeller hood, a flat plate, an O-ring, and the lower impeller. Lay the parts out in order as you disassemble them so that you'll be able to reassemble them properly.

Step 3: Clean the parts thoroughly with a mild detergent solution. If any parts are worn, replace them with new ones made for the dishwasher.

Step 4: Replace any seals, such as the O-ring or other washers, with new ones.

Step 5: Reassemble the pump, keeping the parts in order.

To reach the water pump, remove the sprayer arm and screen and then the pump housing. Remove the bolt, and the pump components can be disassembled.

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