Normal fridge sound is soft and steady. Clicking, loud humming, grinding, or hissing = a problem. Each sound points to a different cause.
See if any of these signs match your device — each one increases the likelihood of this fault.
These are the causes we encounter while repairing Refrigerator making loud noise — ranked from most to least common.
Start relay failed, compressor struggling
Condenser fan clogged with dust
Evaporator fan failed
Internal refrigerant leak (hissing)
Compressor aging
Fridge not leveled
Any of the following = a danger signal — call now and don't try to fix it yourself.
On-site diagnosis, clear pricing before any work, and a documented 6-month warranty.