How-To Guides
How to Clean a Dishwasher Spray Arms Getting Clogged?
AAZparts Team
Updated on July 3, 2025
5 min read
If your dishes come out dirty or your dishwasher seems less effective, clogged spray arms might be the reason. This guide from AZParts explains how to clean dishwasher spray arms step by step and answers common questions to keep your dishwasher running smoothly. You’ll also find trusted replacement spray arms and other quality parts to keep your machine performing like new.
1. Before you start
Taking a few simple safety steps before you start will help you clean your dishwasher spray arms quickly and avoid any accidents or mess. Make sure you follow these tips:
- Turn off and unplug your dishwasher or switch off the circuit breaker.
- Close the valve to shut off the water supply to the dishwasher.
- Keep towels handy to catch any leftover water when removing parts.
- Wear insulated work gloves to protect your hands from sharp metal edges and debris.
- Make sure the area is well lit so you can see all parts clearly.
- Remove any clutter and keep children and pets away from your workspace.
- Handle and remove the spray arm parts carefully to prevent damage or injuries.
If you notice that your spray arm is too worn out or clogged beyond repair, consider replacing it with a new, high-quality dishwasher spray arm from AZParts. AZParts offers reliable replacement for any dishwasher inside parts with various brands, helping you get back spotless dishes and smooth operation without hassle.
AZParts dishwasher spray arm ensures smooth operation (Source: AZParts)
2. How to Clean a Dishwasher Spray Arms?
Knowing how to clean dishwasher spray arms properly will help restore your dishwasher’s cleaning power and prevent future clogs. Follow these simple steps to do it safely and effectively:
2.1. Step 1: Cut Power and Remove the Bottom Rack
Unplug your dishwasher or switch off the circuit breaker to ensure safety. Open the door and slide out the bottom dish rack, then set it aside.
Unplug dishwasher and remove the bottom rack to ensure safety (Source: AZParts)
2.2. Step 2: Locate and Detach the Spray Arm
Find the lower spray arm assembly. It is usually held in place by a central nut or a few screws. Use the correct screwdriver or a socket wrench to loosen and remove them. Carefully lift out the spray arm.
2.3. Step 3: Inspect Spray Arms
Look closely at the spray arm. Check each opening for any food bits, mineral buildup or detergent residue that can block water flow and reduce cleaning performance.
Inspect dishwasher spray arm closely (Source: Freepik)
2.4. Step 4: Soak Spray Arms
Fill a bucket or a large container with warm water and some dish soap or dishwasher detergent. Place the spray arm in the solution and let it soak for about fifteen to thirty minutes to loosen any grime and hard deposits.
2.5. Step 5: Unclog Spray Holes
Once soaking is done use a toothpick or pipe cleaner to gently clear out each spray hole. Work slowly and carefully. If some holes are heavily blocked, use a small soft brush to help remove the debris.
Unclog dishwasher spray holes carefully (Source: AZParts)
2.6. Step 6: Scrub and Rinse Thoroughly
Take the spray arm out of the cleaning solution and rinse it under warm running water. Use a soft brush to scrub away any remaining dirt especially around the spray holes to make sure they are completely clear.
Scrub and rinse thoroughly (Source: Freepik)
2.7. Step 7: Reassemble and Reattach
Put the cleaned spray arm back into the dishwasher and secure it with the nut or screws you removed earlier. Check that it spins easily and sits firmly in place.
Reassemble and reattach dishwasher spray arm after cleaning (Source: AZParts)
2.8. Step 8: Restore Power and Run a Test Cycle
Plug the dishwasher back in or turn the circuit breaker on. Slide the bottom rack back into position. Close the door and run a short cycle to check that the spray arm works properly and water sprays evenly.
3. FAQs about How to Clean a Dishwasher Spray Arms
Knowing the answers to these common questions about how to clean a dishwasher spray arms will help you keep your dishwasher working efficiently and your dishes spotless. Here is what you need to know:
3.1. How frequently should I clean the spray arm in my dishwasher?
It is a good idea to check and clean the spray arm every one to two months. If you use your dishwasher often or have hard water in your area, cleaning it more regularly helps prevent blockages and keeps your dishes clean.
3.2. How do I prevent food particles from clogging the spray arm?
Before loading your dishes, scrape off large food scraps into the trash or compost. Make sure to clean the dishwasher filter regularly too, as a clean filter helps stop debris from reaching the spray arm.
3.3. Can hard water impact the spray arm’s efficiency?
Yes, hard water can cause mineral buildup inside the spray holes. This reduces water flow and makes the dishwasher less effective. To help prevent this, use a dishwasher cleaner or consider adding a water softener if you have very hard water.
Cleaning the spray arms is just one part of keeping your dishwasher performing its best. To avoid unexpected issues, remember to check other important dishwasher replacement parts too, like the dishwasher door spring, wash arm, and dishwasher filter. Whether you own Bosch dishwasher parts, Crosley dishwasher parts, or any other brand, choosing quality parts makes all the difference. Visit AZParts today to find everything you need and keep your dishwasher running smoothly for years to come!
Contact Information:
- 8 The Green, Ste A, Dover, Delaware 19901-3618, United States
- support@azparts.com
Dishwasher
- 1. Before you start
- 2. How to Clean a Dishwasher Spray Arms?
- 2.1. Step 1: Cut Power and Remove the Bottom Rack
- 2.2. Step 2: Locate and Detach the Spray Arm
- 2.3. Step 3: Inspect Spray Arms
- 2.4. Step 4: Soak Spray Arms
- 2.5. Step 5: Unclog Spray Holes
- 2.6. Step 6: Scrub and Rinse Thoroughly
- 2.7. Step 7: Reassemble and Reattach
- 2.8. Step 8: Restore Power and Run a Test Cycle
- 3. FAQs about How to Clean a Dishwasher Spray Arms
Further Reading
Further Reading
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