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Dishwasher drains through the garbage disposal into the sink. Water backs up in the sink, but sink drains well in none dishwasher drainage. (There is a vacuum breaker on top of this sink, but I don't think this is part of the problem.)

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The disposal isn't being used much which is causing the slow drain. Turn on disposal for few seconds and this should take care of the problem. During the pump out the pressure is greater than just running water from faucet.

Posted on Jul 06, 2010

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Posted on Jan 02, 2017

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3 Answers

Water backs up from the drain in my dishwasher and smells. what is the problem?


Two things can cause this problem:
1. The check valve in your dishwasher may be defective, allowing water and food debris to seep (or run) back into your dishwasher.
2. Your drain hose may not be "mounted up" the way it should be. Look under your sink. Look at how your drain hose is connected to your garbage disposal. If the hose runs down to the floor of your cabinet and into your dishwasher, that is wrong. Instead, it should be mounted up so that water from the sink and garbage disposal would have to flow up first to get into the dishwasher. If you do this, then even if you have a bad check-valve in the dishwasher, it will prevent the problem (or greatly reduce the problem) of dirty water flowing back into your dishwasher.

May 17, 2015 | Kenmore Elite Stainless Steel 24" BuiltIn...

1 Answer

When dishwasher is emptying it is backing into sink


there is probably nothing wrong with Dishwasher itself.
Your Sink drain is stopped up or your Garbage disposal is clogged.
usually, dishwasher drain is connected to the Garbage Disposal, but if the dishwasher empties the water into the Garbage disposal, if its clogged then water will come out of the sink. Same if sink is clogged between sink and sewer.


If you fill up your sink and then water drains away, then you know your sink itself is not the problem. If its only the Garbage disposal side that does not drain, its the garbage disposal that is clogged.

Dec 22, 2013 | Dishwashers

1 Answer

Our sink and garbage disposal was clogged up. We got the sink unclogged, but the dishwasher had dirty water in the bottom and won't drain.


Your dishwasher drains into the garbage disposal. It you tried to use a plunger to clear your clogged sink or run the disposal with to much junk in it you may have force debris into the dishwasher drain hose. With both the dishwasher and garbage disposal disconnect from power disconnect the dishwasher drain hose from the garbage disposal. This is usually about a one inch black hose. Clear out any debris in the hose and inlet nipple on the garbage disposal. If debris is compacted far down the hose it will need to be disconnected from the dishwasher end and remove to clear the blockage.

Good luck!
Steve

Feb 10, 2012 | Asko 1385 Dishwasher

1 Answer

My dishwasher is not draining completely. There seems to be more water left than last time I used it. Also, I tried to used the cancel/drain feature, with no success. Please give me some suggestions!


Hi and welcome to FixYa, I am Kelly

The drainage problems are caused by particulate in the drain.

There are 3 areas that cause restrictions with larger food particulate
1. The Air-Gap (if equipped) but the most common blockage point,
2. The sink connection. This is usually a garbage disposal connection. If the user is not properly rinsing long enough while the garbage disposal is in use the garbage disposal / dishwasher connection port is blocked with garbage disposal debris.
3. The bottom of the dishwasher sump area under the lower wash arm. If this area is blocked the user will complain of dirty dishes post cycle, It also causes drainage problems, If the user says dishes are not getting clean and it is not draining properly this will be the LAST area to check. Do 1 and 2 first.

I have had multiple call backs on some units... I have learned to call a brief moment before stopping by and inspect the DIRTY dishes in the dishwasher, the sump, air-gap and sink connection. Most of the time I find that the user is placing dishes with large food particulate in the dishwasher or... they are not letting the water run long enough when using the garbage disposal so the garbage disposal port clogs. These are the same folks that have things like pump impellers and pump housings that get broken due to their daily routine habits.

You wil have to clean all of the drain connections for the dishwasher pump outlet all the way to the sink connection. The Air-Gap is the most common area for blockages so pull off the cover.. unscrew the inner top nut NOTING the installed position BEFORE removal and clean out the Air-Gap (if you have one) Otherwise remove the drain hose at each connection and remove the debris. It is OK ot reconnect each connection after your done cleaning. This will solve about 85% of dishwasher drain problems. The last 15% the lower wash arm and support has to be removed to inspect for pump impeller damage or motor pump housing damage.

FYI the 2nd most common reason for drain problems is the actual sink port connection being clogged. Just clean the drain hose connection ports and the air-gap.

I think once you get all of your drain connections cleaned that your dishwasher will operate normally.

Thanks for choosing FixYa,
Kelly

Jun 17, 2011 | Whirlpool Dishwashers

1 Answer

We bought a new dishwasher because the old one wasn't draining all the way. Same problem with the new one?


The pump is a motor which runs in one direction to spray water in the dishwasher to clean and the opposite direction to drain the water. The problem could be from a clog or kink in the drain hose. Several years ago the drain line would connect to the sink garbage disposal. If the garbage disposal is not draining or the dishwasher connection to the garbage disposal is restricted or clogged the dishwasher will not drain. Under the sink, look at the garbage disposal to see if a rubber hose is connected at the side of the disposal unit. If a hose is connected to the side of the disposal, remove the hose clamp and check for any restrictions from garbage in the inlet or hose. You can use a screwdriver to clean the fitting to the garbage disposal and a wire hanger to free any restrictions in the hose. If the dishwasher does not connect to the garbage disposal it should connect to the sink trap. This is more common with new dishwashers because they have built-in disposals. Disconnect the drain hose from the sink trap and the dishwasher and look for a clog at the sink connection. The dishwasher inlet should have an angled piece of plastic or metal facing downward to prevent the waste from the dishwasher from spraying up into the sink. Do not get to aggressive with the cleaning in order to prevent breaking the angled piece of plastic or metal. Look for any kinks in the hose and try to run water through the hose, but do not use the sink which you removed the drain line from or it could leak under the cabinet. If you see a bad kink replace the hose with a new one. I hope this works and you find the problem without a great deal of time or trouble.

Nov 22, 2010 | Whirlpool GU2400XTP Built-in Dishwasher

1 Answer

My dishwasher backed up into my kitchen sink , it was about 30 minutes into a 2 hour wash cycle--i drained the diswasher, but 1 inch stayed in it till this morning, the sink drained on its on


It sounds like an issue with the sink drain rather than the dishwasher. Many dishwashers are connected to a double sink, one bay of which contains a garbage disposal. If yours is connected in that configuration, run the disposal to clear any food debris that may still be present while running the HOT water into the disposal.

If you have no disposal or if the dishwasher is connected to the other non-disposal bay, check the sink drain again for proper drainage.

The easiest way to do this is to put a plug in the drain (both sides, one at a time), then fill the sink about half way with luke warm water. Then reach in and pull the plug from each side, watching to see how each side drains, but especially the side with the dishwasher connected. If it's slow draining, focus your efforts on clearing the drain on that particlular side of the sink. Try a plunger first before resorting to other methods to clear the sink. If you plunge the dishwasher side, get underneath the sink and pinch off the discharge line from the dishwasher if possible. A pair of vise grips works well, but don't overtighten them.

Some dishwashers have a soft disposal that can eject enough ground up particles into a sink to cause plugging up over time, especially if the dishwasher empties into the disposal side.

Jan 20, 2010 | Whirlpool 24 in. GU980SCG Built-in...

1 Answer

Can i connect my Hoover HD73M Dishwasher to a cold feed?


First off, you need a hot water feed line for your dishwasher, not cold water

Secondly, if you have a garbage disposal installed on your sink you can connect the dishwasher drain hose to the side port on the garbage disposal. That's what that little port is for anyway. If you do have a garbage disposal and hook the dishwasher hose to it then make sure you take a hammer and screw driver and knock out the little plastic plug that's inside the garbage disposal port before hooking up the hose to it, if you don't you'll flood your kitchen.

If you don't have a garbage disposal on your sink, then you're going to have to replace a piece of your sink's drain piping with a wye (Y) tailpiece. The tailpiece has a small branch that comes off it to where you can connect the dishwasher drain hose.

Regardless of which way you hook up the drainage and water lines, make sure you test out the work you did by running the dishwasher and keeping an eye on it. I can't tell you the number of times i've seen people hook up stuff like this and not test it and then when they go to use the dishwasher it floods the kitchen..... usually when people are sleeping at night. Test your work.

Aug 01, 2009 | Hoover 24 in. HD73M Free-standing...

1 Answer

Dish washr


Can you access the drain hose without moving the dishwasher out? Is it close to the garbage disposal. You probably have a plugged drain. I would begin by plugging the sink that the garbage disposal is in and filling it full of hot water. Then I would unplug it and turn on the disposal and continue running water in it. This should clean the disposal drain well.

If you can access the dishwasher drain hose, you will need to disconnect it and look for a plug. If you can unplug the dishwasher do this first. It may be hardwired in, but some are not. It will all be behind the adjacent cabinetry. Have towels and a bucket handy. It is a good idea to always run some water through the disposal after running the dishwasher (they usually drain into that sink.)


If you cannot access the drain, I would clean the disposal and check all other household drains for slow drainage before calling a plumber. or your dishwasher repairman.


Good luck to you and thank you for using Fix Ya.

Aug 22, 2008 | Kenmore 16602 / 16604 / 16609 Built-in...

3 Answers

Installation


It sounds like you have connected your dishwasher to a garbage disposal.

  1. The 2 hoses provided with your dishwasher connect together.
  2. You run the drain hose through a hole in the bottom/back of your cabinet, then up to the top of the cabinet, then connect it to the drain on the garbage disposal. (The reason that you run your drain up to the top of the cabinet is: This is called an air gap, and helps keep a little water in the drain line, which will prevent sewer gases from entering your dishwasher.)
  3. Be sure to knock the plug out of the drain of the garbage disposal. A garbage disposal is designed to work with or without a dishwasher. The plug is in the center of the drain. The best way to knock this plug out is to pull the garbage disposal, and with a flat screwdriver, knock the plug out.
  4. Then remove the plug from the disposal. Reinstall the disposal.
  5. Install the drain hose. The drain hose will connect right up to the disposal using the clamp provided with the dishwasher.
This should help you. If not please attach more info.

Please rate this solution

Sep 09, 2007 | Bosch 24 in. SHE44C02UC / SHE44C06UC /...

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