Refrigerator Making Noise When Running

Quick answer

A noisy refrigerator often needs cleaning, leveling, or part replacement. Check vents, level the unit, and replace worn parts like the condenser fan or compressor.

Confirm the symptom

• Loud humming, buzzing, or clicking from the fridge or freezer compartment
• Noise occurs when the refrigerator is running
• Noise increases when the fridge is under load or during cooling cycles

Tools and prep

• Screwdrivers (flathead and Phillips)
• Level or smartphone with leveling app
• Soft cloth or brush for cleaning
• Flashlight
• Work gloves
• Owner's manual or online model specs

Step-by-step troubleshooting

1. Unplug the Refrigerator
   Do: Turn off the refrigerator at the circuit breaker or unplug it from the wall outlet.
   Observe: The refrigerator stops making noise immediately.
   Means: Safety first to avoid electrical hazards during inspection.
   Next: Step 2
2. Check for Leveling Issues
   Do: Use a level to check if the refrigerator is sitting evenly on the floor.
   Observe: The refrigerator is tilted or uneven.
   Means: An unlevel refrigerator can cause vibrations and noise.
   Next: Adjust the feet to level the unit
3. Clean the Condenser Coils
   Do: Locate and clean the condenser coils (usually at the back or bottom of the fridge).
   Observe: The coils are dusty or clogged with debris.
   Means: Dirty coils can cause the compressor to work harder, resulting in noise.
   Next: Step 4
4. Inspect the Fan and Fan Motor
   Do: Check the condenser and evaporator fans for obstructions or damage.
   Observe: The fan is wobbling, making noise, or not spinning freely.
   Means: A faulty fan can cause loud noises during operation.
   Next: Replace the fan motor if damaged
5. Check the Compressor
   Do: Listen near the compressor (usually at the back or bottom of the fridge).
   Observe: The compressor is making a loud humming or buzzing noise.
   Means: A failing compressor may need to be replaced by a professional.
   Next: Step 6
6. Inspect the Door Seal
   Do: Check the door gasket for gaps or damage.
   Observe: The door seal is loose, torn, or not sealing properly.
   Means: A poor seal can cause the refrigerator to work harder, increasing noise.
   Next: Replace the door seal if damaged
7. Plug In and Test
   Do: Plug the refrigerator back in and listen for any remaining noise.
   Observe: The noise is reduced or gone after adjustments and cleaning.
   Means: The issue was likely due to a simple fix like cleaning or leveling.
   Next: Monitor the refrigerator for a few days

Common causes

Parts matching

Common parts for a noisy refrigerator include:

• Condenser coil cleaning brush
• Adjustable feet or shims
• Replacement fan motor
• Door gasket replacement kit
• Compressor (if needed)

Always refer to your refrigerator's model number when ordering replacement parts to ensure compatibility.

When to call a professional

• The noise persists after cleaning and adjusting the refrigerator
• You hear a loud knocking or rattling that you cannot identify
• The refrigerator is not cooling properly
• You suspect a failing compressor or electrical issue
• The noise is accompanied by unusual smells or water leaks

FAQ

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