How to Clean Whirlpool Dishwasher Drain

A clogged drain in your Whirlpool dishwasher can lead to poor cleaning performance and standing water at the bottom of the appliance. Regular maintenance and proper cleaning of the drain are essential to keep your dishwasher running efficiently. This guide will walk you through the steps of how to clean whirlpool dishwasher drain, ensuring optimal performance and extending the life of your dishwasher.

Signs Your Dishwasher Drain Needs Cleaning

Recognizing when your Whirlpool dishwasher drain needs cleaning is key to maintaining its efficiency. Here are some common signs to watch for:

• Standing Water: If you notice water pooling at the bottom of your dishwasher after a cycle, it could indicate a clogged or partially blocked drain. 
• Unpleasant Odors: Bad smells coming from your dishwasher may result from food debris and grease trapped in the drain. 
• Poor Cleaning Results: Dirty or clogged drains can prevent proper water flow, leading to dishes not being cleaned thoroughly. 
• Noisy Operation: Strange gurgling or grinding noises during a cycle might suggest a blockage in the drainage system. 
• Slow Draining: If water takes longer than usual to drain out of the dishwasher, the drain could require cleaning. 

If you observe any of these signs, it’s time to give your dishwasher drain a thorough cleaning to restore its performance.

Tools and Supplies Needed 

Before you start cleaning your Whirlpool dishwasher drain, gather the necessary tools and supplies to ensure the process is efficient and hassle-free. Here’s what you’ll need: 

• Soft Brush or Toothbrush: For scrubbing away food debris and grime. 
• Dishwashing Detergent or Mild Soap: To help clean any greasy buildup effectively. 
• Rubber Gloves: To protect your hands from dirt and cleaning agents. 
• Microfiber Cloth or Sponge: For wiping and cleaning surfaces. 
• Vinegar and Baking Soda: A natural cleaning solution for breaking down stubborn residue and odors. 
• Screwdriver (if needed): To remove screws securing the drain cover or filter. 
• Container or Bowl: To catch any water or debris removed during the cleaning process. 
• Flashlight: To inspect hard-to-see areas in the drain for clogs or buildup. 

Having these tools and supplies ready will make it easier to clean your dishwasher drain effectively and with minimal disruption.

10 Methods How to Clean Whirlpool Dishwasher Drain

1. Empty the Dishwasher and Inspect the Drain Area

Before starting the cleaning process, it’s crucial to empty the dishwasher completely. Remove all dishes, racks, and utensils to provide ample space to access the drain area. With the dishwasher empty, inspect the bottom of the appliance, looking for any visible debris or food particles. The drain is usually located in the bottom center of the dishwasher, near the spray arm. By removing any large visible debris first, you prevent it from clogging the drain during the cleaning process.

2. Remove and Clean the Dishwasher Filter

Whirlpool dishwashers typically have a removable filter that traps food particles and debris before they reach the drain. Over time, these filters can become clogged, reducing water flow and causing slow drainage. To clean the filter:

1. Locate and remove the filter. The filter is usually situated at the bottom of the dishwasher.
2. Rinse the filter under warm water to remove food particles and grease.
3. If necessary, use a soft brush (like an old toothbrush) to scrub away stubborn debris and buildup.
4. Reinstall the filter after it’s clean and dry.

A clean filter is essential to maintain proper drainage and prevent clogs.

3. Check and Clear the Drain Hose

The dishwasher’s drain hose connects to the plumbing system and allows wastewater to exit the dishwasher. Over time, the hose can become clogged with grease, food particles, or mineral buildup, leading to drainage issues. To clean the drain hose:

1. Disconnect the dishwasher from the power supply and turn off the water supply.
2. Locate the drain hose, which is usually attached to the bottom of the dishwasher.
3. Detach the hose from the dishwasher and the sink drain or garbage disposal.
4. Inspect the hose for blockages by looking for visible debris or kinks.
5. Flush the hose with warm water to clear any clogs. You can use a long brush or pipe cleaner to dislodge stubborn debris.
6. If the hose is particularly dirty or clogged, consider replacing it.

Cleaning the drain hose ensures that wastewater flows freely, preventing backups and clogs.

4. Clean the Drain Impeller

The drain impeller is responsible for pushing water through the drain system. If the impeller becomes clogged or obstructed, it can lead to drainage issues. To clean the impeller:

1. Turn off the power and water supply to the dishwasher.
2. Remove the lower rack and access the impeller, which is usually located at the bottom of the dishwasher.
3. Inspect the impeller for any debris, food particles, or buildup.
4. Clean around the impeller using a soft cloth or brush. If necessary, use a small screwdriver to remove stubborn debris.
5. Ensure the impeller is free to spin and move water through the drain system.

Cleaning the drain impeller helps maintain the dishwasher’s drainage power and overall performance.

5. Use Baking Soda and Vinegar for Deodorizing and Cleaning

A natural cleaning solution of baking soda and vinegar is an excellent way to clean your Whirlpool dishwasher drain and neutralize odors. To use this method:

1. Sprinkle a cup of baking soda evenly over the bottom of the dishwasher.
2. Pour a cup of white vinegar into the bottom of the dishwasher.
3. Run a hot water cycle without any dishes or detergent in the dishwasher. The baking soda and vinegar will work together to break down grease, soap scum, and food particles.
4. After the cycle, open the door to allow the dishwasher to dry out.

This method helps clean the drain and eliminate odors, ensuring your dishwasher smells fresh and operates efficiently.

6. Clean the Dishwasher Spray Arms

The spray arms in your Whirlpool dishwasher help distribute water throughout the appliance. Over time, they can become clogged with food debris or mineral deposits, affecting water flow and drainage. To clean the spray arms:

1. Remove the bottom rack and any dishes from the dishwasher.
2. Detach the spray arms by unscrewing them or simply lifting them out, depending on your model.
3. Inspect the spray arms for any clogs in the spray nozzles. Use a toothpick or small brush to clear out any debris.
4. Rinse the spray arms under warm water to remove any remaining dirt or buildup.
5. Reattach the spray arms and ensure they rotate freely.

By cleaning the spray arms, you allow water to flow more efficiently through the dishwasher, which helps with proper drainage.

7. Clean the Dishwasher’s Drain Sump

The drain sump is the area where water collects before it is pumped out of the dishwasher. It can collect debris and dirt, leading to drainage issues. To clean the drain sump:

1. Remove the bottom rack and filter to access the drain sump.
2. Use a flashlight to inspect the sump for debris.
3. Gently remove any debris using a small scoop or spoon. Be careful not to damage the sump area.
4. Clean the sump with warm, soapy water and a soft brush to remove any buildup.
5. Rinse the sump area thoroughly to ensure all debris is removed.

Cleaning the sump helps the dishwasher drain water effectively and prevents clogs from forming in the drain system.

8. Run a Hot Cycle with Dishwashing Cleaner

To ensure the Whirlpool dishwasher drain is thoroughly cleaned, use a dishwasher cleaner to remove grease, minerals, and soap scum. Many dishwasher cleaners are specifically designed to clean the internal components, including the drain. To use:

1. Place the dishwasher cleaner in the detergent dispenser.
2. Run a hot water cycle with no dishes in the dishwasher.
3. The cleaner will break down buildup in the drain and other parts of the dishwasher, ensuring that everything stays clean and odor-free.

Using a commercial cleaner periodically will help maintain the dishwasher’s efficiency and prevent clogging in the drain system.

9. Check and Clear the Garbage Disposal

If your Whirlpool dishwasher is connected to a garbage disposal, a clog in the disposal can affect the dishwasher’s drainage. To clear the garbage disposal:

1. Turn off the power to the garbage disposal.
2. Inspect the disposal for any visible debris or blockages.
3. Use tongs or pliers to remove any obstructions.
4. Run water through the disposal to ensure it is draining properly.
5. If needed, use a plunger or plumber’s snake to clear stubborn clogs.

Clearing the garbage disposal will help improve drainage and prevent backups from affecting your dishwasher.

10. Run Regular Maintenance Cycles

To keep your Whirlpool dishwasher drain in optimal condition, it’s important to perform regular maintenance. Run a maintenance cycle every few months using a dishwasher cleaner, baking soda, or vinegar. This cycle will help prevent debris buildup and keep the drain system functioning properly. Regular maintenance also ensures that any potential issues are addressed before they become major problems.

Conclusion

Proper maintenance and regular cleaning are essential for ensuring the efficient operation of your Whirlpool dishwasher. By following the steps outlined above, you can prevent clogs, improve drainage, and extend the lifespan of your appliance. From clearing the drain hose to using natural cleaning methods like baking soda and vinegar, these practices will keep your dishwasher running smoothly and free from unpleasant odors. So, there you have it – a quick and easy guide on how to clean whirlpool dishwasher drain.