Liebherr
Compressor Mount / Internal Compressor Noise
Loud knocking or banging noise when compressor starts or stops.
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Loose compressor mounting springs or grommets, Internal compressor components worn, Refrigerant lines striking cabinet during start-up
How to Fix / Troubleshooting
Safety first: Unplug the freezer before working at the rear.
Steps:
- Check compressor mounts: Inspect rubber grommets and mounting bolts. Tighten bolts gently and replace cracked grommets.
- Secure tubing: Use foam sleeves or clips to prevent copper lines from hitting the cabinet when the compressor moves.
Remedy: If knocking persists despite secure mounts and tubing, the compressor itself may be failing internally and should be evaluated by a refrigeration technician.
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Repair Difficulty
Hard
4/5
Required Part
Compressor Mounting Grommets
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