You just need to put drain hose above the drain line.
Dishwasher drain hose under sink.
This is the minimum requirement on every dishwasher drain installation it s.
In the diagram above right you ll notice that the dishwasher drain makes a high loop underneath the kitchen sink.
High loop to drain pull as much of the drain hose into the sink cabinet as possible.
Check the drain hose for kinks.
Make the high loop then attach the end of the hose to the y branch tailpiece using a hose clamp.
The drain hose would be most likely be laying flat beneath the sink which resultantly lets water back into the dishwasher retaining it until it is in excess and begins to leak.
A kinked drain hose the lightweight ribbed plastic hose that connects from the dishwasher s drain pump to the garbage disposal or to an air cap can prevent water.
Clean the drain with baking soda and vinegar.
Just like shown on the picture below.
How to close off the drain hole if removing a dishwasher 1.
Figure 2 below shows the basic configuration of an installed high drain loop under a kitchen sink.
If kitchenaid dishwasher leaking.
This will prevent wastewater from the sink drain from siphoning back into the dishwasher.
Clear an area to work under the kitchen sink.
Loop the drain hose.
Pull as much of the drain line as possible from behind the dishwasher and loop it as high as possible under the sink and strap it in place.
A high loop is when the dishwasher drain is elevated right before its connection to the kitchen sink drain.
An improperly installed dishwasher drain hose can allow waste to enter your dishwasher.
Check the dishwasher filter step 3.
You may need a dishwasher connector if the garbage disposal fitting is larger than your hose.
The drain hose is secured near the top of the sink in some fashion could be as easy as using a zip tie to secure it.
Check the plumbing connection points step 2.