Loud metallic knocking

Refrigerator & Freezer Repair
1

Brand: Whirlpool Estate
Model Number: TT21AKXQ05
Main Symptom: loud metallic knocking occasionally
What happens & when: loud metallic knocking once a week No icemaker

Error Code (if any):
Parts or tests already tried:
Photos / video link:

2

Loud metallic knocking noises would most commonly be coming from the compressor. It sounds likely that the springs inside the compressor may be starting to fail.