How to Fix Refrigerator Knocking Noise

Frozen pipes are a common issue, especially during the cold winter months. When temperatures drop, the water inside pipes can freeze, potentially causing them to burst. Dealing with frozen pipes can be stressful, but with the right knowledge and tools, you can often resolve the issue yourself and prevent costly damage. This guide walks you through the steps to safely thaw and fix frozen pipes.

Silencing the Fridge: How to Fix Refrigerator Knocking Noises

Is your refrigerator creating strange knocking noises that are becoming an annoyance? Don't fret; you can likely resolve the issue without much trouble. In this guide, we'll delve into the common reasons behind refrigerator knocking sounds and provide you with a clear path to silence your noisy appliance.


Why Is Your Refrigerator Knocking?

Before we dive into the troubleshooting and repair steps, let's explore the usual culprits behind those unsettling knocking sounds:


Icemaker Arm:

  • When the icemaker's arm hits ice cubes in the ice bin, it can produce knocking sounds. Inspect the arm and ice bin for issues.

Evaporator Fan:

  • The fan inside the freezer can create knocking noises if it's hitting something, such as ice buildup. Examine the fan and remove any obstructions.

Condenser Fan:

  • A malfunctioning or dusty condenser fan can make knocking sounds. Check for any issues with this fan and clean it if needed.

Compressor:

  • While less common, a faulty compressor may produce knocking sounds. If other possibilities are ruled out, consider professional assistance.

Loose Components:

  • Over time, various components can become loose, contributing to knocking noises. Tighten any loose parts as part of the repair process.

Step-by-Step Repair Guide

Follow these steps to address the knocking noise:

Icemaker Arm Troubleshooting:

  • Check the icemaker arm and ice bin for any obstructions.
  • Ensure the arm moves freely without interference.

Evaporator Fan Inspection:

  • Remove food and shelves from the freezer.
  • Examine the evaporator fan for obstructions.
  • Defrost the fan if it's hitting ice buildup.
  • If the fan is damaged, replace it.

Condenser Fan Maintenance:

  • Unplug the fridge.
  • Locate the condenser fan (usually on the back).
  • Clean the fan and the area around it to prevent noise from dust or debris.
  • Plug the fridge back in and check for noise reduction.

Compressor Evaluation:

  • If you suspect the compressor is the source of knocking, it's best to consult a professional technician for diagnosis and repair.

Tighten Loose Components:

  • Carefully inspect various parts and screws for looseness.
  • Use appropriate tools to tighten any loose components.

When to Seek Professional Help


While many knocking noises can be resolved through DIY efforts, if you're unsure about the issue or it's related to the sealed refrigerant system or electrical components, consulting a professional technician is advisable.


By following these troubleshooting and repair tips, you can likely restore peace to your kitchen by silencing your refrigerator's knocking noises. Enjoy a serene cooking environment once again, knowing your fridge is in top shape.


The team behind Sunshine plumbers

Emergency Plumbers

At sunshine plumbers, we are proud to be on call 24 hours a day, 365 days a year, ready to provide prompt and reliable emergency plumbing services

Emergency Plumbing

Residential Plumbing

Let sunshine plumbers take care of your plumbing needs, and we'll make sure your home's plumbing system runs smoothly and efficiently.

Residential Plumbing

Commercial Plumbing

Trust sunshine plumbers to keep your commercial plumbing system in top shape, ensuring smooth operations and customer satisfaction.

Commercial Plumbing
Share by: