Washer Overfills – How to Fix an Overflowing Washing Machine

Water all over the floor while doing the laundry?

It may seem like a home owner’s nightmare but the washer overfilling is a fairly common problem. Dealing with washer overfills can be quite tricky. If you choose to call a professional, they can provide a permanent or short-term solution but either way, it will be expensive.

But why hire a professional when you can do it by yourself?

Well, you certainly can with the right tools and amount of patience. An overfilling washer doesn’t mean that you need to buy a new one. For this guide, we will walk you through the steps on how to fix a washer that overfills.

Diagnosing Why the Washer Overfills

Before you proceed to make any repairs, you must first find out which type of problem that needs to be addressed. The point here is to differentiate if the problem is electrical or mechanical – thankfully, it’s very easy to do.

Turn on the washing machine and allow it to be filled with water. Then, set the timer off using the knob. Finally, pull the washer’s plug from the wall outlet.

If the water continues to fill, you are likely dealing with a mechanical problem. If the water stops, then there’s a good chance that it’s an electrical problem which is more difficult to fix.

Diagnosing Why the Washer Overflows

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Checking the Pressure Switch

If you are dealing with an electrical problem, you should start with the washer’s pressure switch.

The pressure switch is connected to a small tube which is attached to the external wash tub. As the water level increases, the air pressure in the tub also rises. Once the water level reaches a certain point, the pressure switch turns off the power to the water inlet level.

To check the pressure switch, you must first unplug the unit. Next, you need to find the console and pry it open. The pressure switch will usually look black or clear and has a small rubber tube attached to it. Disconnect the tube and take a new rubber or plastic tube and insert it into the one that’s pulled off earlier.

Now, blow pressure to the switch. You should listen for a click which is followed by another one once the pressure is released. This is a good indication that the switch is now working but it’s always best to test by plugging back the washer.

As the water level rises, blow pressure again. If the switch is good, the water should stop filling. Otherwise, you might need to replace the switch.

Replacing the Water Inlet Valve

Replacing the Water Inlet Valve Washer

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If the water level continues to rise even after you unplug, there’s a good chance that the water inlet valve is defective. Below are the steps to replace it.

You Need:

  • Screwdriver
  • New water inlet valve
  • Dry towel

1. Unplug the unit. Turn off the valves for both hot and cold water.

2. Take out the plastic end caps of the control panel atop the washing machine. Using the screwdriver, remove the screws from the sides of the panel. Gently pull the panel up to remove.

3. Beneath the control panel, you should see the lid’s sensor wire which you should unplug. With your screwdriver, remove the spring clips from the cabinet. To remove, tilt the cabinet forward and gently lift.

4. Next, remove the screws from the water supply lines located at the back of the unit. If there is spilled water, clean it up with your dry towel.

5. Remove the two wires that are attached to the water inlet valve’s terminals. Remove the mounting screws in order to take out the valve. Squeeze valve’s hose clamp and slide off the hose from the valve. Clean up any excess water with your tower.

6. Put the hose end on the new water inlet valve. Then, move the clamp to secure it. Screw the mounting plate back. Connect all the wires to the new valve terminal.

7. Reinstall the cabinet, the main control panel, and water supply lines. Turn on the hot and cold water valves.

Did You Manage to Fix the Problem?

Fix the Problem Water Inlet Valve Washer

Photo credit to YouTube

There you go. Some of the most common fixes if your washer overfills.

The key here is to determine whether you have a mechanical or electrical problem before you proceed with the fixes. Fortunately, that’s easy to diagnose as well.

When your washing machine overflows, you also have the option to call a plumber. He or she can have the drain cleaned out but that will only take care of the problem temporarily. There’s a good chance that after a few months of lint and soap build-up, you’ll likely experience an overfilling washer again.

The fixes that we have outlined here are more on the long-term side, so we suggest you do them instead. Just have a little patience and some tools, and you’re good to go.

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