Tip & How-To about KitchenAid KSCS25FKSS Side by Side Refrigerator

How to fix a noisy refrigerator unit.

Hello. I have a few tips and tricks on how to fix, or understand why your refrigerator emits certain noises, at times.

This can be annoying. Unit noises are, sometimes, normal, but most are signs of very serious issues. Any type of knocking, or pinging, will indicate that there are serious issue that concern the compressors internal seal, and structure. Normally, these noises will be located at the actual compressor area. Here are some other common noises that will occur overtime. These are , generally, repairable and pose no serious threat to the unit.

Lets start with the common hissing and popping. 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. The next issue will deal with proper leveling of the unit.

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. Secondly 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 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 or cover, 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, as well. The rear panel may be held in place by retainer clips or screws. Remove the screws or depress the retainer clips with a small flat-head 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.

Now. The last area of concern will be 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, or depreciate, they can become very hard(Dry rot), 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 expose the compressor. Once exposed, 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.

Have a great Day

NOTE_ This post will cover all brands and models.

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Related Questions:

1 Answer

My side-by-sdie has started to emit an intermittent rumbling noise on the freezer side. The noise continues for a few minutes at a time, goes off for another few, then resumes again. Is there a do-it-yourself fix available, or should I have it professionally repaired, or is it time to buy another?

It's common problem. Freezer fan hitting over ice formation behind freezer. It is due to non defrost problem.

Keep thermostat temp must be 5 degree and check timer and thermostat are working properly. Unplug your fridge and after all defrost icing, start again. If still noise behind freezer, check fan leaves are broken. If so replace it.thanks.

Jan 31, 2011 | Kenmore 53642 / 53644 Side by Side...

1 Answer

squeaking noise just started happening. sounds like coming from rear of fridge. very annoying and can't figure out what is causing it. I unplug it, it stops.


There are a few things that can cause fan noise to come from your refrigerator. Check out this tip that I wrote about refrigerator fan noise.

Refrigerator Fan Noise

Jan 17, 2011 | Whirlpool Refrigerators

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