A refrigerator that knocks

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Moderators: Mark, Greg, mhrAJ333, JD

Posts: 158
Joined: Tue Jul 02, 2013 6:06 pm

Mon Aug 07, 2017 11:06 am

I've heard of engines having a knocking or a pinging noise if low grade fuel is used, but I've never heard of a refrigerator doing it. Not all the time, mind you, just sometimes when the compressor kicks on. Any ideas on what would cause this?