How to Repair a Leaking Dishwasher

Familiarizing yourself with your particular model of the dishwasher is a great place to start when something goes wrong and in need of dishwasher repair. Many times, user manuals and brand websites offer great tips for dealing with issues such as a leaky dishwasher.

A leaky dishwasher can really put a damper on your daily chores list and it can also be dangerous because of the slip and/or fall risks that are associated with it as well. Here is a list of some other ways to troubleshoot this problem when and if it happens to you.


If your machine is taking in more water than it is capable of holding, it is going to have to push it somewhere. This somewhere is likely going to be out onto the kitchen floor. Over-filling could indicate that there is a problem with the drain or the float valve. It is possible that the float valve is not properly sealing.

A Mis-Alignment

It is imperative that the dishwasher is properly installed. If the machine is not sitting flat, water can collect underneath the machine. You can troubleshoot this by using a level to make sure that it is level. If it is not, some shims can be inserted under it can help to get it aligned the way that it needs to be.

The Tub Of The Dishwasher

The minerals from water and the detergents that we use can be corrosive to the bottom of the tub of the dishwasher. This can cause a hole to form which will allow water to leak underneath the dishwasher. This is likely to happen if you use the dishwasher a lot, especially if it is used multiple times a day.

Using The Wrong Detergent

There are detergents that are specifically made for dishwashers. You cannot use regular dish soap in the machine because they are going to foam up way too much. This excessive foam is going to cause leaks. There can even be issues if you are using soap to pre-rinse the dishes before they go ingot the dishwasher. If you do this, make sure to rinse the dishes completely before loading the machine so that regular dish soap doesn’t get into the machine.

The Valves

Drain hoses, water inlet valves, and other connections and hoses can become worn out or can become loose over time. These connections need to be checked because if they are damaged or become loose, they can easily cause a leak in the machine which can end up on the floor of the kitchen.

The Door

There are a few different parts that can cause the door to leak water. If the latch is broken or misaligned, it may result in the door not shutting and sealing properly when the cycle begins. It can also happen if the gasket around the door comes loose or is damaged in some way. This is also going to result in a poor seal and will allow water to leak out of the dishwasher.

*Always make sure that you are unplugging the machine before you do any type of troubleshooting or repairs.