Is it normal for a refrigerator to make a knocking noise?

From buzzing, humming, and gurgling, these noises are a normal part of the every-day operation of your fridge. However, when your refrigerator makes a disturbing banging or knocking noise during operation, you may want to call a technician ASAP.

Why does my fridge make a knocking sound at night?

Using specialised sensors they found that the noises occur due to the contraction and expansion of the fridge components and panels as they change temperature. This constant shape changing creates stress in the parts and over time they start to produce different noises depending on their size, shape and location.

How can I stop my refrigerator from making noise?

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.

Why is my refrigerator making a loud popping noise?

One of the most common reasons for popping noises in your refrigerator is thermal expansion. Refrigerators are generally cold appliances, but they change temperatures regularly as the cooling cycle turns on and off and as the defrost system does its job of melting frost off the evaporator coil.

Why does my fridge freezer make a banging noise?

If your freezer or fridge is making a knocking sound, it’s likely due in part to a faulty compressor, condenser fan or evaporator fan. …

Why does my freezer make a knocking sound?

A freezer compressor is what pumps chilled Freon — or another cooling agent — through coils that line the freezer compartment. … The cooling agent inside the compressor is sensitive to being moved around, which can cause knocking noises. Also, loose components can cause knocking sounds.