Fixing a leaking Whirlpool dishwasher? Here’s how to do it

Written by David Lewis
6 Min read

Fixing a leaking Whirlpool dishwasher

Whirlpool has been around since 1911 producing quality appliances, but sometimes they do need repairs. One common issue is leaking, which can have many potential causes.

To help you repair your leaking Whirlpool dishwasher, we will cover seven solutions for the following models: 7DP840CWDB0, 7DP840CWDB1, 7DU840CWDB0, 7DU840CWDB1, 7DU900PCDB0, 7DU900PCDQ0, WDT780SAEM0, WDT780SAEM1, WDT780SAEM2, WDT790SLYM2, WDT790SLYW2, WDT910SAYE1, WDT910SAYE2, WDT910SAYH1, WDT910SAYH2, WDT910SAYM1, WDT910SAYM2, WDT910SSYB1, WDT910SSYB2, WDT910SSYM2, and WDT910SSYW2.

Why is my Whirlpool dishwasher leaking?

Leaks can occur in dishwashers due to a number of different factors. Some common causes could be a faulty water inlet valve, a problem with the centre or lower spray arms, a worn-out upper or lower gasket and seal, or damage to the door hinges.

How do I identify the model of my Whirlpool dishwasher?

To identify the model number of your Whirlpool dishwasher, take a look at the rating label located on the inner lip of your dishwasher door. The model number should be clearly listed on the label.

Image of a woman with a leaking whirlpool dishwasher

How do I check the water inlet valve on a Whirlpool dishwasher?

The water inlet valve is responsible for controlling the flow of water into the dishwasher. A faulty water inlet valve can cause a dishwasher to leak. To check it, start by unplugging the dishwasher from the outlet and shut off the water supply. Then, remove the access panel and locate the valve. Make sure no debris is obstructing the valve as this can cause water to leak as well. Check the hoses connected to the valve for any cracks or breaks. If the valve is damaged, replace it and reassemble the dishwasher.

How do I check the lower and centre spray arms?

Next, check the spray arms to make sure they are not the cause of the leak. Start by removing the spray arms, and then examine them for any cracks or breaks where water may be escaping. If the arms are damaged, replace them. Reassemble the pieces and check for any further water leaks.

How do I check the upper and lower gaskets and seals?

The upper and lower gaskets and seals may be worn or damaged, causing water to leak out of the dishwasher. To check them, you will need to remove the dish rack and unscrew the screws that hold the gasket in place. Inspect the gasket and seal for any tears or damage. Replace the gasket if necessary, and make sure to reattach the screws tightly.

How do I check the door hinges for damage?

The door hinges may also be the cause of the leakage. Check the hinges for any signs of wear or damage and replace them if necessary. To gain access to the hinges, remove the inner door panel and examine the hinges.

How do I make sure the dishwasher isn’t overfilling?

If your dishwasher is overfilled, it can lead to water spilling out of the bottom of the dishwasher, which may be the cause of the leak. To ensure this isn’t happening, clean the float switch. The float switch is responsible for shutting off the water supply when the dishwasher has filled to the desired level. Clean the switch by using a piece of cloth to carefully remove any debris that may be preventing the switch from working properly.

Dishwasher Overflowing — Dishwasher Troubleshooting

How do I troubleshoot a leaking Whirlpool dishwasher?

If you have identified the cause of the leak and replaced any damaged parts, you will still need to check to make sure the issue is resolved. Start by filling your dishwasher with water and running a cycle. Make sure there is no water leaking out during the cycle. If the dishwasher is still leaking, repeat the steps outlined in this article and make sure all parts are tightly secured.

How do I fix a Whirlpool dishwasher leaking?

If you follow the instructions in this article and replace any damaged parts, you should be able to get your dishwasher running again. Start by checking the water inlet valve and making sure there are no obstructions that may be preventing it from working properly. Next, check the centre and lower spray arms for any cracks or breaks and replace them as necessary. Inspect the upper and lower gaskets and seals and make sure they aren’t damaged. Finally, check the door hinges to make sure they are secure and not causing a leak. Once you have made these repairs, test your dishwasher to make sure it is running correctly.

Expert Tip: Whirlpool dishwashers have many parts that require frequent maintenance and cleaning. Make sure to regularly run the cleaning cycle to keep your dishwasher working properly and reduce the risk of leaks. Additionally, replace any worn-out or damaged parts as soon as possible to ensure that your dishwasher is operating correctly.

What tools do I need to fix a leaking Whirlpool dishwasher?

To repair your leaking Whirlpool dishwasher, you will need a few basic tools such as a Phillips head screwdriver, a flathead screwdriver, and a wrench. You may also need additional tools depending on the repairs that need to be made.

Do I need to clean the exterior of my Whirlpool dishwasher?

You should regularly wipe down the exterior of your Whirlpool dishwasher to remove any dirt or dust that has accumulated over time. This will help to keep it looking its best and prevent any grime from building up and causing more serious issues.

How often should I replace the filter on my Whirlpool dishwasher?

The filter on your Whirlpool dishwasher should be replaced every 3–6 months, depending on how much you use it. This will help to keep the dishwasher running smoothly and prevent future problems. Over time, the filter becomes clogged with food particles, grease, and other debris that can affect the performance of the dishwasher.

Can I use vinegar as a cleaning solution for my Whirlpool dishwasher?

Yes, white vinegar can be used to clean the interior of your Whirlpool dishwasher. To do so, simply fill a cup with vinegar and place it on the top shelf of your dishwasher. Run the dishwasher on the hottest setting, and the vinegar will help to break down any built-up residue in the dishwasher.

Are there any safety precautions I should take when repairing my Whirlpool dishwasher?

When repairing your Whirlpool dishwasher, you should always be sure to disconnect the power supply before attempting any repairs. Additionally, make sure to wear appropriate safety gear such as gloves and eyewear to protect yourself from dangerous chemicals and sharp edges.

What type of soap can I use in my Whirlpool dishwasher?

You should only use soap designed for use in dishwashers in your Whirlpool dishwasher. Regular dish soap or laundry detergent is not suitable, as these can damage your dishwasher and leave behind a build-up of residue.

Can I use bleach in my Whirlpool dishwasher?

No, you should never use bleach in a Whirlpool dishwasher as this can cause damage to the internal parts of the machine. If you want to sanitize dishes, use a product specifically designed for use in dishwashers.

What are the potential signs of a faulty dishwasher pump?

Whirlpool Dishwasher Replace Pump and Motor Assembly #W10482480

A faulty dishwasher pump can cause leaking due to insufficient water pressure. Potential signs of a faulty pump include loud noises during the wash cycle, water not draining away properly, and the dishwasher not filling with water. If you notice any of these symptoms, it may indicate an issue with the pump.

How do I stop a Whirlpool dishwasher from leaking?

To stop a Whirlpool dishwasher from leaking, first, identify the source of the leak by following the steps outlined in this article. Inspect the water inlet valve, check the spray arms, inspect the gaskets and seals, and examine the door hinges for any signs of damage or wear. Replace any damaged parts and make sure all parts are securely attached. Finally, test the dishwasher by running a cycle and ensure no water is leaking out.

In this article, the causes and solutions to a leaking Whirlpool dishwasher were discussed. There are many potential causes including a faulty water inlet valve, a problem with the centre or lower spray arms, a worn-out upper or lower gasket and seal, or damage to the door hinges. The solutions included checking these parts and replacing any damaged ones, as well as cleaning the float switch and exterior of the dishwasher. Additionally, a few tips were given, such as never using bleach in the dishwasher, using only dishwasher-safe soap, and regular replacement of the filter.

Appliances made simple. 

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