Refrigerator makes loud knocking, banging, or rattling noises during operation

Safety first: Unplug the refrigerator before tightening components or accessing fans.

Step 1 – Level the appliance:

• Use a spirit level to check front‑to‑back and side‑to‑side.
• Adjust leveling feet until the unit is stable and slightly tilted back.

Step 2 – Check external vibrations:

• Ensure the refrigerator is not touching walls or cabinets.
• Place vibration‑damping pads under the feet if needed.

Step 3 – Inspect fans:

• Access evaporator and condenser fans and check for ice, wiring, or insulation contacting the blades.
• Clear obstructions and secure loose wires.

Step 4 – Tighten mounts and panels:

• Tighten compressor mounting bolts if excessively loose (do not overtighten; some movement is normal).
• Secure any rattling internal panels or shelves.