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YOU NEED TO REPLACE THE COMRESSOR RELAY AND OVER LOAD IT COME AS A KIT WHEN YOU PULL THE OLD ONE OFF AND SHAKE IT WILL SOUND BROKE INSIDE A NEW ONE WILL NOT MAKE A NOISE WHEN YOU SHAKE IT HOPE THIS HELPS
check the compressor for operation adn check the fan in the back of unit to make sure it is running...whirlpool units are notorious for compressor relay failure normally they click in and out every few minutes... if it is a knocking noise and continuous make sure compressor is not trying to start and sitting there shaking... normally it will stop after a few minutes and then start again....
Check the starter relay which is next to the compressor behind the cardboard cover on the back. It may be burnt and can't start the compressor. It's on or near the compressor. If it's bad it will rattle when you shake it and may appear burnt.
There are rubber isolation mounts under the compressor that get worn. What your hearing when the unit shuts off is the compressor shaking in the mount as the electricity to the run winding is shut off and the reverse torque twists the compressor in the mount to the point that it is hitting the mounting posts momentarily. Replacing the isolation mounts will stop the noise.
It is probably caused from one or more of the four rubber bushings that mount your compressor to the refrigerator frame. The bushings wear over time and causing the compressor bracket to have a little play. Then when the compressor stops it moves the frame slightly bumping against the mounting bolt causing a slight to moderate sounding clunk when stopping, Also check a lines and cords as a cord refrigeration line near the compressor or fram can also cause the problem.
Inside the compressor , the motor is held by 3 or 4 springs . When 1 of those springs break (either from rust or time) the internal motor will bang the inside of the compressor . This does not mean the compressor will quit , only noisey when cycling off . Only way to stop the noise is to replace the compressor OR try shimming up one of the compressor mounting legs (will take trial and error to determine which leg will stop the banging ) . Always reinstall the rear cover even when checking .
When the compressor stops, the movements of the internal components are normally absorbed by the internal spring supports. If a spring breaks, etc., the inner moving part will contact the outer case and give a knocking noise or two when it stops. You can make the compressor (even a new one) do this by giving it a shake. The compressor will most likely run for years this way with no performance problems. It is rather expensive to replace a compressor, (especially for only a noise issue) so most people just live with it or get a new refrig and use their old one as a second refrig in a basement or where ever. Please don't bother to rate this, as anything but a Fix-Ya drops my score.
overload relay is plugged into compressor , nevermind the black box its a run capaictor(rarly goes bad) remve overload relay and shake it, shloudnt make any noise
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