Repair Riot

Refrigerator Making Noise When Running

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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

Tools and prep

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

CauseLikelihoodDifficultyPart often needed
Dirty Condenser Coils
Clogged coils make the compressor work harder, causing noise.
CommonEasyCondenser coil cleaning brush
Unlevel Refrigerator
An uneven unit can vibrate and make noise.
CommonEasyAdjustable feet or shims
Faulty Fan Motor
A damaged or worn fan motor can cause loud noises during operation.
SometimesEasy–MediumReplacement fan motor
Worn Door Seal
A poor seal forces the refrigerator to work harder, increasing noise.
SometimesEasyDoor gasket replacement kit
Failing Compressor
A malfunctioning compressor can cause loud humming or buzzing.
RareHardCompressor replacement
Loose or Worn Parts
Loose components can vibrate and make noise.
SometimesEasy–MediumScrews or replacement parts
Overloaded Refrigerator
Too many items can block vents and increase noise.
SometimesEasyNone

Parts matching

Common parts for a noisy refrigerator include:

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

When to call a professional

FAQ

Why is my refrigerator making a loud humming noise?

A loud humming noise is often caused by a dirty condenser coil or a failing compressor. Clean the coils first, and if the noise continues, consider professional repair.

Can an unlevel refrigerator cause noise?

Yes, an unlevel refrigerator can vibrate and make noise. Adjust the feet to ensure the unit is level.

How often should I clean the condenser coils?

Clean the condenser coils at least once a year to maintain efficiency and reduce noise.

What should I do if the fan motor is making noise?

If the fan motor is wobbling or making noise, turn off the refrigerator and replace the fan motor with a compatible replacement.

Is it normal for a refrigerator to make some noise?

Yes, some noise is normal, such as the compressor starting up or the fan running. However, loud or unusual noises may indicate a problem.