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How to Remove and Clean Dishwasher Arms

Published in Dishwasher Maintenance 3 mins read

Keeping your dishwasher spray arms clean and free of debris is essential for optimal wash performance. Over time, food particles, mineral deposits, and grime can clog the small holes, preventing water from reaching your dishes effectively. Removing and cleaning the spray arms is a straightforward maintenance task.

Typically, cleaning your dishwasher's spray arms involves detaching them, clearing any blockages, and thoroughly rinsing them. As demonstrated in cleaning tips, rinsing them under water is a key step in this process, referred to in one tip as "And rinse it. Under. Water one final tip from the King."

Here's a step-by-step guide:

1. Prepare for Cleaning

Before starting, ensure your dishwasher is empty and cool. It's also a good idea to disconnect the power for safety, although removing spray arms usually doesn't involve electrical components.

2. Remove the Spray Arms

The method for removing spray arms varies by dishwasher model, but common approaches include:

  • Unscrewing: Some lower arms have a nut or cap at the center that unscrews counterclockwise. Upper arms might unscrew from the water supply tube.
  • Unsnapping/Unclipping: Many arms simply snap onto a central hub or clip onto a water feed tube. You might need to gently pull upwards or press a release tab.
  • Twisting: Some arms detach with a quarter or half twist.

Tip: If you're unsure how your specific model's arms detach, consult your dishwasher's user manual. Do not force the arms, as this can cause damage.

3. Clean the Spray Arms

Once removed, inspect the arms closely.

  • Check for Clogs: Look at each small spray hole. If you see visible debris or blockages, use a small, pointed object like a toothpick, straightened paper clip, or a thin wire to gently push through and dislodge the particles.
  • Rinse Thoroughly: Take the arms to a sink. As highlighted in cleaning advice, rinse the spray arms extensively under running water. This helps flush out loose particles and any debris you pushed through the holes. One tip specifically mentions "And rinse it. Under. Water one final tip from the King." underscoring the importance of this rinsing step.
  • Deep Cleaning (Optional): For stubborn mineral buildup or grease, you can soak the spray arms in a solution of warm water and vinegar (about equal parts) or warm soapy water for 30 minutes to an hour. A soft brush (like an old toothbrush) can help scrub away grime.

4. Clean the Arm Mounts

While the arms are off, take a moment to wipe down the central hub or water supply tube where the arms attach. Debris can sometimes accumulate here as well.

5. Reinstall the Spray Arms

Carefully reattach the spray arms by reversing the removal steps.

  • Ensure they are securely fastened (screwed, snapped, or twisted into place).
  • Test that they can spin freely by hand. If they are stiff or wobbly, check that they are correctly installed.

Regularly cleaning your dishwasher spray arms ensures water is properly distributed, leading to cleaner dishes and a more efficient appliance.

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