Rattling
Rattling noises may come from the flow of refrigerant, the water line on the back of the unit, or items stored on top of or around the refrigerator.
Normal Operation
Appliance is not resting solidly on the floor.
Floor is weak or uneven or leveling legs need to be adjusted. See Reversing Doors and Leveling in the Installation section.
Appliance with a compressor was jarred while running.
Normal Operation
Whooshing
Evaporator fan motor is circulating air through the refrigerator compartments.
Normal Operation
Air is being forced over the condenser by the condenser fan.
Normal Operation
Gurgling
Refrigerant flowing through the cooling system.
Normal Operation
Popping
Contraction and expansion of the inside walls due to changes in temperature.
Normal Operation
Vibrating
If the side or back of the appliance is touching a cabinet or wall, some of the normal vibrations may make an audible sound.
To eliminate the noise, make sure that the sides and back cannot vibrate against any wall or cabinet.
Pulsating or high- pitched sound
Your appliance is designed to run more efficiently to keep your food items at the desired temperature. The high efficiency compressor may cause your new refrigerator to run longer than your old one, but it is still more energy efficient than previous models. While the refrigerator is running, it is normal to hear a pulsating or high-pitched sound.
Normal Operation