Question about Maytag 24 in. MDB5601AWS Stainless Steel Built-in Dishwasher

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Dishwasher starts to fill then starts make a jackhammer sound

When you press start, you can hear it start to fill, then stops filling and makes a jackhammer sound from the pipes.
Has been working good for the past 3 years. We only use it once a week.

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  • rkingtxtx Jan 27, 2009

    No, it will not wash since there is not enough water.

  • rkingtxtx Jan 27, 2009

    wow thanks so much for the help. i will give it a shot and see what happens

  • Mark Egan May 11, 2010

    Does the dishwasher continue to wash, and the problem your wanting fixed is the jack hammering?



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OK. I bet there is a chunk of mineral build up that it loose inside the water line leading up to the valve. Either the one in the dishwasher, or the one at the cutoff under the sink.

Turn the water off under the sink. Access the bottom of the dishwasher, and disconnect the water line from the valve. Put the end of the line in a bucket or some type of tray, and turn the water on to see if the chunk comes out. Try to turn the water on as hard as you can to try and blow the chunk free. If nothing comes out, look inside the valve where you disconnected it to see if you can see anything.

If it doesn't come out, or you don't see it come out, try connecting everything back up and testing to see if you might have missed it coming out.

Same thing could be happening at the valve under the sink, and that one is a little harder to purge.

One other thing to listen for is to be laying on the floor neat the dishwasher when the stop occurs, listening for what goes "clunk". It might be in the dishwasher, it might be under the sink. At least by isolating where it happens, you'll know where to look.

Posted on Jan 27, 2009

  • Mark Egan Jan 27, 2009

    Let me know what you find, or don't find. There are some other things that it could be, but I need to see where this heads first.

    One other suggestion. Turn the dishwasher on, and let the thump happen. Then turn on ONLY the hot water on the kitchen faucet. Tell me if you get flow at the faucet then. You can also try this same thing, but turn the faucet on first, then the dishwasher. Note if there was a change in flow in the water after the thump, if it happens or you hear it happen.

    Depending on what you find, this may help isolate where the problem is.



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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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