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The condensor fan blade is hitting the bottom part of its housing causing a clattering noise. The compressor seems to work fine but jiggles when running. Unknown if this is related to the fan blade housing.

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  • jkdarbys Oct 10, 2010

    At slow speed none of the blades strike the housing. When the compressor revs up to full speed, however, the clatter begins and there is visual evidence the blade(s) are striking the bottom of the fan housing. My husband is convinced it is a bad bearing in the compressor affecting the shaft to the fan. Could that be?

  • jkdarbys Oct 10, 2010

    At slow speeds NONE of the blade(s) hit the fan blade housing. However, when the compressor revs up to full speed the clatter begins and there is visual evidence the fan blade(s) are striking the bottom portion of the fan blade housing when the refrigerator is turned off. My husband is convinced it is a bad bearing in the compressor motor affecting the shaft attached to the fan blade housing. Could that be the case?

  • jkdarbys Oct 10, 2010

    At slow speeds NONE of the blade(s) hit the fan blade housing. However, when the compressor revs up to full speed the clatter begins and there is visual evidence the fan blade(s) are striking the bottom portion of the fan blade housing when the refrigerator is turned off. My husband is convinced it is a bad bearing in the compressor motor affecting the shaft attached to the fan blade housing. Could that be the case?

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The blades on the condenser fan are easily bent. With the fridge off turn the fan blade slowly to see if one of them is hitting the housing and slightly bend it till it don't hit.
The blades could be loose on the shaft or the motor worn allowing the play. Wiggle it to determine exactly what is happening.

It's normal for the compressor to vibrate some when running but shouldn't be related to the fan hitting the housing.

Posted on Oct 10, 2010

  • Charles T Nevin
    Charles T Nevin Oct 11, 2010

    If the vibration is enough I'm sure it could. Since the replacement of a compressor is usually so expensive that most just get a new fridge I would either put up with the noise and work to adjust the fan and housing to stop the noise.

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My refrigerator has been fine for years. I recently vacuumed out a lot of dirt and now it sounds like the compressor is knocking when it shuts off and this is preceded by a what sounds like a high pre


Cleaning the condensor lowers the head pressure to normal range.
The compressor may rattle internaly when started or stopped or shook. The compressor position may have been disturbed so that it makes noise every time, or the suspension springs inside is fatigued.
The fan may have some debris that may also cause noise at start up or when stopping. I would visual inspect the fan, condensor, and compressor and if it all looks ok, then just let the refrigerator do it's work. Fan blades can bend easily and when bent they go out of balance and vibrate when started, stopped, or continuously.
You did the right thing by cleaning the coil under the refrigerator, just make sure any movement needed by the parts have enough clearance and are in place where they supposed to be.
I believe a 10 yrs life from a machine is average.

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There is a piece of tape or something hitting the compressor blade. Remove the object as this could eventually stop the compressor from working. There usually is a piece of insulation that gets in the way when you move the fridge. Tape this up or out of the way. If no object hitting it, then the compressor is starting to go.

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Sounds like your fan has gone bad. That would cause no airflow, resulting in no heat transfer and overheating.

That means it would not cool properl;y and would overheat.

Check for voltage going to the fan motor. If you have voltage there, but no fan operation, replace the fan motor.

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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.

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I had the same problem with my 2630. Unplugged the power cord and pulled the small panel off on the rear of the unit. The fan was working. I noticed a lot of dust built up on the condensor- the cooling fins were full of it. I took my small shop vac and cleaned off all that I could on the the surface of the condensor. Thought I'd try blowing it out in case I missed any in the inner part of the condensor. Reversed the hose on the shop vac so it would blow air and turned it on. Dust blew everywhere! Just vacuuming it out wasn't enough. No more problems with the heat- that seems to have cleaned it out so that the fan can now pull air across the condensor to properly cool it down. Hope this helps.

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