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Refrigerator Shakes When Compressor Shuts Off

It’s a normal noise that it can make at any time. It doesn’t mean anything is wrong or going wrong. The compressor is under a lot of pressure and at the end of the cycle when the pressure suddenly drops, the compressor will shake. This is why it’s mounted on rubber grommets.

Why does my refrigerator rattle when it shuts off?

The noise you are hearing is the compressor knocking against the side of the compressor housing when it cycles off. The compressor pumps freon through a sealed system in your refrigerator. Just like in any pump, there is a low-pressure side, which is the suction, and a high-pressure side, which is the discharge.

Why is my refrigerator shaking?

The motor within the compressor may be slightly off balance, which is causing it to “knock” against the unit. You may also notice that your fridge shudders or shakes once the knocking ends. This happens because of the sudden stop in pressure that has been built up within the compressor.

Why does a fridge compressor rattle?

Rattling. Mechanical problems that can cause rattling include a loose drain pan, dirty condenser fan blades and a faulty defrost timer. Other causes of rattling sounds include dishes inside or on top of the refrigerator that are vibrating as the compressor fan runs.

How do I fix my refrigerator rattling compressor?

How to Quiet a Noisy Refrigerator Compressor, Drain Pan, Fan, and More Listen for the Source. Secure the Drain Pan. Listen and Look for a Faulty Defrost Timer. Clean and Inspect the Condenser Fan. Check the Evaporator Fan. See If It’s Refrigerator Compressor Noise.

How much does it cost to replace refrigerator compressor?

Depending on the type of fridge, new compressor prices range from $100 to $500. With labor, the cost to replace a compressor is between $250 and $650. A compressor moves refrigerant throughout your fridge, helping regulate the temperature. When a compressor isn’t working, your food won’t keep cold.

Why is my fridge making a vibrating noise?

Basic refrigerator/freezer maintenance involves the cleaning of the condenser coils on the back of the appliance. When the coils are covered in dust it will overwork itself trying to cool down the inside of the appliance, thus creating a loud buzzing noise.

Why is my freezer making a loud vibrating noise?

Your freezer’s evaporator fan helps keep your appliance cool by circulating air and ventilating the evaporator coils. If the evaporator fan is damaged or worn-out, however, unusually loud clicking, buzzing, or humming sounds may arise. In addition, you might notice that your freezer is warmer than usual.

What is fridge compressor?

The refrigerator compressor is one of the four main components that makes the refrigerator work. The compressor’s job is to compress and control the flow of refrigerant. The compressor receives low pressure gas from the evaporator and converts it into high pressure gas.

Why is my fridge making a loud humming noise?

Loud humming is often caused by a dirty compressor. The compressor coils on the back of your refrigerator dissipate heat, but when they become caked with dust, they need to work harder to dissipate heat and do so in a louder manner. Often giving your compressor coils a good cleaning can solve this issue quickly.

Where is the drip pan in a fridge?

While refrigerators vary in design, the drip pan is almost universally located in the bottom of the unit. This is so that gravity will allow the liquid to flow easily from the top of the unit to the bottom. Remove the kick panel on the lower front of your refrigerator if your model has one.

What does a loose drain pan sound like?

Refrigerator Drain Pan Rattling Realtor.com suggests that when you hear the bottom of your fridge making rattling noises, the drain pan may be the culprit. A loose drain pan can rattle when the compressor is running and may need to be tacked back in place or otherwise supported to prevent the rattle.

Is it worth replacing a compressor in a refrigerator?

While yes, you can certainly repair a damaged compressor, it may not be worth it. Most technicians will agree that replacing the whole refrigerator itself may be wiser than repairing or even replacing the compressor. After all, every subsequent repair will make your refrigerator more liable to break.

Why is my refrigerator making a moaning noise?

The most common cause of noises coming from the refrigerator is malfunctioning fans. The motor of the cooling fan may be the cause of the sounds. Hold down the fan switch when you open the refrigerator door.

How do you know if your refrigerator compressor is going bad?

If you see a sudden jump in your electricity bill, it can be an indication that your fridge is struggling to maintain temperatures. The longer a compressor needs to run to maintain cool temperatures, the closer it is to failure, explains AJ Madison. Food spoilage and ice buildup are both indications of a problem.

What is the lifespan of a refrigerator compressor?

That said, modern compressors are both durable and efficient. Although plans for a replacement should start around eight years of service, a well-maintained compressor can reach to ten years and beyond.

How do I know if my refrigerator compressor is broken?

Your refrigerator compressor is responsible for that humming sound. So, if the sound stops for good, or if the sound goes from faint to a constant or very loud humming noise that does not shut off, it may be a sign the compressor is broken or malfunctioning.