Makes loud knocking noise on refrigerator side and last 20-30 seconds
ME TOO !!!!! THE COMPRESSOR RUBBER MOUNTING BUSHINGS ARE LIKELY WORN OR LOOSE. THE HARMONICS OF GAS PRESSURE "HAMMERING" ARE CAUSING IT TO SHAKE.
THIS IS WHAT I DID: UNPLUG THE FRIGE, AND REMOVED THE CARDBOARD PANEL ON BACK. THE COMPRESSOR IS A GALLON SIZED BLACK GLOBE SHAPED UNIT. IT HAS 4 RUBBER MOUNTING BUSHINGS/FEET. SHIFT OR WIGGLE THE COMPRESSOR AROUND SOME AND THEN TIGHTEN BUSHINGS WITH 7/16" (11 MM) WRENCH UNTIL IT GETS TIGHTER. YOU MIGHT NEED TO REPEAT UNTIL YOU FIND A QUIET/SWEET SPOT . WHILE YOU ARE DOWN THERE, ALSO REMOVE THE FRONT COVER AND CLEAN THE DUST OFF OF THE COILS WITH A VACUUM. WATCH OUT FOR SHARP METAL EDGES AND HOT COILS WHILE WORKING. .... DOUG
SOURCE: makes loud knocking noise under refrigerater side
Hi, Does this noise accure when the compressor is shuting off?
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