How to Fix a Noisy Fridge: Causes and Solutions for Australian Homes
A noisy fridge is one of the most common appliance complaints we hear from Sydney homeowners. The good news is that most fridge noises have straightforward causes โ and many can be fixed without calling a technician. Here's how to diagnose and fix a noisy fridge.
Normal Fridge Sounds vs Problem Sounds
Not all fridge sounds are problems. Normal sounds include a gentle hum from the compressor, occasional clicking as the thermostat switches, water dripping during the defrost cycle, and ice cracking in the freezer. These are completely normal.
Sounds that may indicate a problem include loud rattling, banging, buzzing, or grinding noises that are new, unusual, or getting worse.
Common Causes of Noisy Fridges
1. Vibration from an Uneven Surface
If your fridge is not level, it will vibrate against the floor or nearby surfaces. This is the most common cause of rattling. Fix: Use a spirit level to check if the fridge is level. Adjust the levelling feet (usually screw-type legs on the bottom front corners) until the fridge is perfectly level. The fridge should tilt very slightly backwards so the door closes on its own.
2. Items on Top of or Behind the Fridge
Objects resting on top of the fridge, or items pushed up against the back or sides, vibrate as the compressor runs. Fix: Remove items from the top and ensure the fridge has at least 5cm clearance on all sides and 10cm at the back.
3. Noisy Condenser Fan
The condenser fan at the back or underneath the fridge can become noisy if it accumulates dust or if the fan blade is damaged. Fix: Unplug the fridge. Access the condenser fan (at the back or underneath, depending on your model). Clean any dust build-up with a soft brush or vacuum. Check if the fan blade is damaged or hitting anything.
4. Noisy Evaporator Fan
The evaporator fan inside the freezer compartment circulates cold air. If it ices up or the fan blade is damaged, it will make a loud noise. Fix: Defrost the fridge completely to clear any ice build-up around the fan. If the blade is damaged, it needs to be replaced.
5. Compressor Noise
All fridges make a hum from the compressor. If this hum becomes very loud, clicking, or starts and stops repeatedly, the compressor may be struggling. This can indicate the compressor is wearing out or there's a refrigerant issue. Fix: This typically requires a technician. If your fridge is old and the compressor is failing, it may be more economical to replace the fridge.
6. Loose Parts
Vibrations can loosen screws, hinges, door handles, and internal components over time. Fix: Check all visible screws, the door hinges, and any removable interior components. Tighten anything loose.
When to Call a Technician
Call a technician if you hear loud clicking, banging, or grinding that persists after the basic fixes above, or if the fridge is not maintaining temperature. If the fridge is old and repairs are expensive, a replacement may be more cost-effective.
Need a New Fridge in Sydney?
If your fridge is beyond repair, Oceania Appliances has a range of certified refurbished fridges with 3-month warranty and free delivery across Sydney. Contact us today.