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Re: Compressor makes a loud grumble an vibrates when it...
There are springs inside the compressor that suspend the motor. When one or more of those springs break then the motor will knock against the casing when it shuts down and loses centrifuge motion. The compressor will continue to run up until the point the it beats itself to death, which could be next week of next year. There's no way to tell. The only solution is to replace the compressor.
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Hello, This is normal. The compressor inside the shell is mounted on spring standoffs. It will move around when shutting off and can hit the inside of the compressor shell or will do the same if the unit is moved around. Nothing to worry about.
There are rubber shock mounts between the bottom of the compressor and the fridge frame, if any of these are worn it can cause that sound. Sometimes the condensate tray is what is actually making the noise; when the compressor powers down it vibrates and causes the metal tray to shake, maybe bumping the side and creating the noice. Pull the fridge off the wall and take the cover off the back of the fridge. Be careful, there's some voltage going through there. Locate the condenstae tray, shake it gently and see if it's loose. Give the compressor a gentle push and see if that makes the sound. Usually it's one of those two things and not an actual problem with the unit. When you touch the compressor, be careful, they can get pretty hot.
Is the evaporator coils froze up? Sounds like maybe the compressor is getting liquid back to the compressor or the compressor is running real high head pressure. Also check and see if the compressor is mounted on springs or pads.. Make sure all of the refrigeration lines are not bent and causeing vibriation.
Bad compressor, if the compressor is going bad or the bolts that hold the compressor in place are loose. Check to make sure the bolts are tight. If not check the compressor with your hand and see how much it vibrates.
The compressor is that black casing you see at the bottom of your refrigerator - inside this sealed case is the motor assembly which stits on 3 or 4 springs that act like a cushion - you have a little gap at the bottom where the lubricating oil is present. Your springs have likely worn out and when the compressor shuts off the assembly is banging against the rigid casing make that loud "klonk" or bang noise. It IS normal for compressor to make some faint "tick-tick-tick...tick.....tick" when shutting off, but loud banging, bell sounds, etc, means the assembly is banging on the case from the inside - you can indeed live with the noise, your compressor will function normally, probably for months, or even years - it can also keep wearing out and one day the noise might get very loud (like a very high humming noise) - There is NOTHING that can be fixed, you either pay $400+ to change the compressor or buy a new refrigerator - If you DO replace a compressor usually the replacement will be noisier - Keep a thermostat inside your refrigerator at all time to make sure your compressor is still keeping your refrigerator and freezer cool.