Refrigerator makes a gurgling or hissing sound periodically.

Safety: No repair typically required; these sounds are usually normal.

• Observe pattern: If the sounds are brief and coincide with compressor cycles or defrost, they are likely normal.
• Check performance: As long as temperatures are correct and no error codes appear, no action is needed.
• Rule out leaks: If you smell a chemical odor or cooling performance drops, contact a technician to check for refrigerant leaks.