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John, restaurant equipment technician
Category: Appliance
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Experience:  25+ years experience. I'm now employed by a commercial cooking equipment service company
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My LG refrigerator is making a vibrating high pitch noise.

Resolved Question:

My LG refrigerator is making a vibrating high pitch noise. It will make the noise for about 30 seconds then stop for about a minute then start all over again. the temps are fine.
Submitted: 6 years ago.
Category: Appliance
Expert:  John replied 6 years ago.

Check the condenser air fan blade to see if it's hitting something. If it is, you can change its position on the drive shaft, by loosening the set screw to move it. When the blade no longer makes noise, apply a drop of super glue to the hub at the shaft.

You can access the fan by removing the rear cover panel.

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