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Abnormal noise in compressor

My fridge is making abnormal noise from the compressor

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Check to see if the fridge itself is physical unbalanced or if there is anything leaning on the coolant pipes that could cause vibration... if its definatly oming from compressor it could be signs the compressor is starting to fail !

Posted on Feb 08, 2010

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Have an LG fridge about 10 years old... makes a loud buzzing noise occasionally. Fridge seem to be running fine.. Thoughts??


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I think this abnormal buzzing sound coming from you
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Pull the fridge away from the wall and inspect the compressor. Your description sounds like the compressor is hitting something. It is rubber mounted and usually can be pushed away from whatever it is hitting.You do not want to jamb something to stop the noise, as the compressor needs to move freely. Many compressors shake during start up and shutdown, and this is considered normal. Abnormal if the compressor hits something during this movement.

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Why is it making noise?


Air conditioners have compressors in them. By the very nature of a "compressor" it will make some noise as it compresses the vapor in the unit so that it can become a liquid, to be expanded which will remove the heat from your room. Greatly simplified of course. Abnormal noises are usually caused by a worn compressor, or debris/imbalance in the blower wheel.

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Freezer is making rumbleing noise!


You have an abnormal compressor on running. Unfortunately , it is hard to repair this compressor. People usually replace the compressor rather than get it repaired. Prolonged this situation will increase your electricity bill.

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Hotpoint refrigerator CTX 18G makes noise when compressor comes on. I opened the the back bottom panel and the noise went away when I unpluged the plug on the far left (as viewed from the back) was...


No. This is not affecting the operational value of the compressor at all. It is just an annoyance, at most. I would recommend to inspect the entire unit for other noise enablers, as well.Here are a few areas that will cause abnormal noises in your unit.


Hissing and popping is normal on frost free refrigerators, it is the defrost heater, in this case. I would check these following areas to address any other abnormal noises.

If the level of the unit is not adjusted to proper specs, this will create an unstable operating condition, causing many noises to emit from the units structure. inspect the unit for proper level. adjust if needed. Next will be the drain pan. Once removed for cleaning, the pan must be replaced in position correctly. If not, the pan will rattle against the compressor, causing a ping or rattle.Simply reposition the tray if this is the case. The third possible issue will be the condenser fan. The condenser fan is located behind the refrigerator. It may be necessary to remove an access panel to reach it. This fan has a shroud, and if the fan blade becomes warped, it will rub against the shroud, causing noise. This fan blade is whole,and it can be removed and replaced if this is the case. Ok, the fourth problem spot will be the evaporator fan.

The evaporator fan is located at the back of the freezer. It may be necessary to remove obstructions such as the contents of the freezer, freezer shelves, ice maker and the rear inside panel of the freezer. The rear panel may be held in place by retainer clips or screws. Remove the screws or depress the retainer clips with a small screwdriver. Check the fan for warped blades. if the blades are warped or mis-aligned, replace it. This fan also is protected by a shroud as well, and it will make noise if the fan blade is damaged.

Last, i would move on to the compressor mounts. This is the most common spot for noise overtime. The compressor sits on rubber mountings. Those rubber mountings are designed to absorb vibration from the compressor. As the mountings age, they can become hard or disintegrate. When this happens, the compressor vibration is transmitted to the refrigerator structure and it can cause noise.


The compressor is located in the rear. It may be necessary to remove an access panel to get to the compressor.

Locate the compressor and remove the screw or retaining clip of just one of the compressor mounts.Using a pry bar, lift up the compressor enough to slip out the rubber mount. Inspect the mount for deterioration. The rubber should be firm but not rigid. If the mount is crumbling or hard, it should be replaced.


This concludes the inspection procedure. Follow carefully, and replace any failed or damaged device.

Dec 29, 2009 | Hotpoint Refrigerators

1 Answer

Noisy, Chattering fan with fisher & paykel fridge.


HI. Just so you know, Hissing and popping is normal on frost free refrigerators, it is the defrost heater, in this case. I would check these following areas to address any other abnormal noises.

If the level of the unit is not adjusted to proper specs, this will create an unstable operating condition, causing many noises to emit from the units structure. inspect the unit for proper level. adjust if needed. Next will be the drain pan. Once removed for cleaning, the pan must be replaced in position correctly. If not, the pan will rattle against the compressor, causing a ping or rattle.Simply reposition the tray if this is the case. The third possible issue will be the condenser fan. The condenser fan is located behind the refrigerator. It may be necessary to remove an access panel to reach it. This fan has a shroud, and if the fan blade becomes warped, it will rub against the shroud, causing noise. This fan blade is whole,and it can be removed and replaced if this is the case. Ok, the fourth problem spot will be the evaporator fan.

The evaporator fan is located at the back of the freezer. It may be necessary to remove obstructions such as the contents of the freezer, freezer shelves, ice maker and the rear inside panel of the freezer. The rear panel may be held in place by retainer clips or screws. Remove the screws or depress the retainer clips with a small screwdriver. Check the fan for warped blades. if the blades are warped or mis-aligned, replace it. This fan also is protected by a shroud as well, and it will make noise if the fan blade is damaged.

Last, i would move on to the compressor mounts. This is the most common spot for noise overtime. The compressor sits on rubber mountings. Those rubber mountings are designed to absorb vibration from the compressor. As the mountings age, they can become hard or disintegrate. When this happens, the compressor vibration is transmitted to the refrigerator structure and it can cause noise.


The compressor is located in the rear. It may be necessary to remove an access panel to get to the compressor.

Locate the compressor and remove the screw or retaining clip of just one of the compressor mounts.Using a pry bar, lift up the compressor enough to slip out the rubber mount. Inspect the mount for deterioration. The rubber should be firm but not rigid. If the mount is crumbling or hard, it should be replaced.


This concludes the inspection procedure. Follow carefully, and replace any failed or damaged device.....

Dec 20, 2009 | Fisher Refrigerators

1 Answer

My fridge is blowing out cool air but not cold air


There is several things can cause that To tested first unplug your fringe Remove the panel behind your fridge Reconnect the fridge Touch your compressor us the big black round thing on the back Does it field vibrating and making noise? If yes that means you have a bad compressor or refrigerant leak If it makes clacking noise or a laud buzz noise then stop Deftly you have a bad compressor If make no noise or vibration ones of ever First remove the thermostat and make a bridge in between the thermostat cables live the green one alone is just ground If your compressor start working then buy a new thermostat if don?t change any thing Remove the black box on the side of the compressor and you shut see thee plugs or one plug whit thee holes use a voltmeter and check for power, You shut get around 120vots between tow terminals if you have power Go to the local appliance part store a buy a ?hard star kit? if your compressor doesn?t start you have a bad compressor. If you don?t have power you need to change either your defrost timer or control board Depending of the fridge model

Jun 08, 2009 | Kenmore 60721 Refrigerator

1 Answer

Fridge has stopped working/getting cold


check the relay, the clicking noise is your overload tripping out on overload, the run winding of the compressor are not coming on line, if your relay is good, the ohm out your compressor.

Feb 20, 2009 | Refrigerators

1 Answer

Kenmore fridge, about 8 years old, making noise


The compressor on your fridge is mounted on rubber grametts and inside the dome the internal parts the do the pumping of the refrigerant are mounted on springs. When a compressor gets old some people complain about two much vibrating, this could be the rubber grommets the support the compressor. When one of the support springs inside the compressor is broken it will have a distinct rapping sound when the compressor shuts off. There isn`t anything you can do about this, short of replacing the compressor. It will eventually get worse untill something is seriously broken inside the compressor and the compressor will die. You may want to consider replacing the compressor now or purchase a new fridge. You will need to consider the cost of both and the age of the fridge" Is it worth repairing?". You can actualy find a repair company in your area from this site if you like, and compare the costs.I hope I have helped explained the problem well enough for you. I will help you as much as I can.

Nov 15, 2008 | Refrigerators

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