lg dishwasher is loud

Why Your LG Dishwasher Is Loud and How to Silence It

Ever been in the middle of a peaceful evening, only to be disrupted by a dishwasher that sounds like it’s launching into space? If you’ve been thinking, “Why is my dishwasher suddenly so loud?”, we’re here to help. As with most modern appliances, when your LG dishwasher is loud, it’s typically trying to tell you something. Let’s dive deeper into potential issues and their remedies.

Why Your LG Dishwasher Is Loud: Pinpointing the Culprits

Every problem has its root causes. Understanding them is the first step towards a quieter, more efficient dishwasher. The factors that affect your LG dishwasher noise level can range from simple loading mistakes to mechanical issues. Let’s break them down.

Dishwasher Is Too Crowded

It might seem like a basic issue, but how you load your dishwasher can significantly influence its noise levels. If you’re hearing clattering and banging sounds, there’s a good chance your dishes are dancing a little too close to each other.

  • Cause: Overloading the dishwasher or placing dishes too close together can lead to them knocking against each other during the wash cycle. Not only is this noisy, but it can also damage your dishes.
  • Solution:
    • Reorganize: Begin by repositioning dishes to ensure they aren’t touching. Plates should be aligned in rows, and utensils should be spaced out in their designated compartments.
    • Spacing: Consider running two cycles if you have too many dishes. It’s better to wait a bit longer than to deal with broken dishes or excessive noise.
  • Prevention: Adopt a consistent loading pattern. Over time, this becomes a habit, ensuring that every dish has its own ‘space’ and isn’t cramped.

LG dishwasher making loud noise during the wash cycle

Clogged or Obstructed Spray Arm

The spray arm is a pivotal component in your dishwasher’s cleaning process. When it’s not functioning optimally, it doesn’t just impact cleaning efficiency – it can amplify your LG dishwasher’s noise level.

  • Cause: Over time, food debris, or mineral deposits from hard water can clog the spray arm’s holes. This can cause it to move unevenly, leading to those unwanted sounds.
  • Solution:
    • Detachment: Refer to your LG dishwasher’s manual to properly detach the spray arm.
    • Soaking: Submerge the spray arm in a solution of equal parts warm water and white vinegar for a few hours.
    • Cleaning: After soaking, use a toothbrush or a thin wire to gently scrub off and remove any clogs or debris from the spray arm’s holes.
  • Prevention: Regularly inspect the spray arm. Also, scraping off food remnants from dishes before loading can reduce the chances of obstructions.

Noisy Water Supply

Hearing a continuous humming or buzzing sound? The water supply could be the culprit.

  • Cause: This often points towards issues with the water inlet mechanism. A kinked inlet hose or a malfunctioning water inlet valve could be causing these disturbances.
  • Solution: Inspect the inlet hose for any visible bends or kinks. If the issue seems more complex, such as a potential valve malfunction, it’s best to call in the professionals.
  • Prevention: Periodically check the inlet hose to ensure it’s not being bent or pressured in any way. For internal components like valves, having a professional maintenance check can preempt potential problems.

LG dishwasher noise level

Drain Hose or Pump Are Blocked

The draining phase is crucial in the dishwashing cycle. If there’s a disturbance here, you might hear prolonged gurgling or even grinding noises.

  • Cause: Blockages, often due to accumulated food particles or foreign objects accidentally falling into the dishwasher.
  • Solution:
    • Visual Inspection: Begin by inspecting the drain for obvious obstructions.
    • Manual Cleaning: Detach the hose (with reference to the manual) and try cleaning it manually or using a cleaning solution.
    • Professional Help: If the problem persists, or you suspect the pump might be the issue, consult a professional.
  • Prevention: Regular checks and ensuring dishes are scraped off properly before loading can mitigate blockage risks.


While some of these issues can be tackled at home, some might require a professional’s touch. If your LG dishwasher is loud even after trying these solutions, contact Mid America Service. We specialize in professional dishwasher service and repair! We can be your go-to solution for any dishwasher disturbances.

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