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How to Understand and Stop the Knocking Sound Coming From Your Fridge

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Have you heard a strange knocking sound coming from your refrigerator? It could be anything from an issue with the temperature control settings to a broken fan motor. In this comprehensive guide, we’ll show you how to identify and fix the source of the mysterious fridge knocking sound- Fridge knocking noise

Before dealing with the knocking sound, make sure to identify the source. Open up your fridge and listen carefully for where the noise could be originating from. Examine all the movable parts of your fridge such as fans, condensers, evaporators, and temperature control settings – these are all potential sources of the noise. Once you have determined the source of the knocking sound, you can move on to fixing it.

To ensure your fridge is running as smoothly and quietly as possible, it’s important to regularly clean its internal components. Dust and dirt can accumulate on the fan blades in the condenser coils or the evaporator, reducing their efficiency and causing the knocking sound. Pull out the interior components of your fridge, carefully dust them off with a damp cloth, and then replace them back in their original position.

Look closely at the door seals and frames for cracks, damages, or looseness. If the seals have any gap or tears in them or if they are loose then it may be causing your fridge to knock when opening or closing. Tighten any screws that are loose, make sure all the panels of the door seal fit snugly together, and then check to see if the noise has stopped. If not, you may need to replace your old seals with new ones to ensure a tight fit between your doors and refrigerator frame.


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Why Is My Refrigerator Knocking? Troubleshooting That Annoying Sound

  1. Examines the Condenser Fan: The condenser fan, located at the back of your fridge, cools the vital coils. A loose fan blade, debris buildup, or malfunction can cause knocking.

  2. Investigates the Evaporator Fan: Inside your freezer, the evaporator fan keeps air circulating. Bent blades, ice buildup, or a faulty motor may lead to knocking sounds.

  3. Checks the Compressor: This is the heart of your fridge. A worn-out or failing compressor can produce loud knocking noises as it struggles to work.

  4. Considers the Ice Maker: A malfunctioning ice maker is a surprisingly common source of knocking. Check for frozen parts, jammed components, or a faulty water inlet valve.

  5. Inspects the Damper Control: This regulates airflow between the freezer and fresh food compartments. A damaged or stuck damper control assembly might create knocking noises.

Extra Tips:

  • Check the Level: An unleveled refrigerator can cause parts to shift and knock against each other.
  • Listen Carefully: Determining the sound’s origin will help you narrow down the probl

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