Question about Kenmore 76081 Wall/Window Air Conditioner

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Bad vibration and noise suddenly in a 5 month old air conditioner

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Please make sure this vibration not from the unit fixation if ok check the fan may be brockenor blower

Posted on Sep 17, 2009

Testimonial: "yep! It was loose in its cradle and needed to have a wedge placed near the screws! Quieted right down after that."

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Whynter Portable Air Conditioner Model: ARC-14S. Problem: It sounded as if something fell inside the unit while it was operating (cooling) then it started to vibrate horribly. The vibration is only...


Hi,Whynter Portable Air Conditioner has many moving parts, and they all make noise and cause vibrations. Some of these parts are more likely to causing shaking and loud noises, and sometimes this signals a larger problem, something to watch and scrutinize. If serious enough, it calls for a repair.

Loose Parts

Loose parts cause the majority of shaking and vibration noises in your air conditioner. A few of the most common loose parts include the air compressor, the piston rods and even the fan or blower unit itself. These noises are clunking, clanking sounds that occur along with a vibrating action. The only method of repair is a complete compressor replacement, which is a repair only a certified air conditioner technician is qualified to make. The compressor is a fully sealed component, so individual parts in the compressor cannot be repaired.

Fan Blades

Fan blades cause noise, shaking and vibrations even when properly secured. If fan blades contact the exterior structure of the air conditioner due to a bent fan blade or broken and misaligned grate, a constant, repetitive noise and vibration results, which sounds like a ticking or banging from the interior of the air conditioner. Vibration in this case is limited but still present.

Mounting Brackets

When an air conditioner shakes, there is a problem with the mounting brackets. These brackets hold the air conditioner compressor steady as it operates. Normal vibrations and shaking would otherwise occur without these brackets. A loose mounting bracket causes the air conditioner to rock back and forth and creates a clanking sound. As the compressor starts up, this rocking and clanking sound begins, resulting in a very loud and fast vibration and noise. It also occurs when the unit shuts down.

Other Sounds and Vibrations

Sometimes air conditioners squeal, hiss, hum or screech. Each noise is often accompanied by a vibration. Humming sounds along with a vibration may indicate a bad capacitor, the electrical part responsible for starting the machine. Hissing sounds tend to indicate a pressure problem while screeching and squealing sounds are fairly common in window air conditioners and in central air conditioners. This sound is also a result of the compressor motor. It usually starts when the unit turns on and continues through its normal operating cycle. Vibrations always occur in the air conditioner due to moving parts and the compressor motor's operation.


Hope it helped..

Aug 18, 2011 | Whynter Portable Air Conditioner

1 Answer

Noise and vibration problems with dometic rv air conditioners


My bet is 1. fan is out of balance, 2 vibration dampers on the unit are bad and need replacement

Jul 12, 2011 | Dometic Rooftop RV Air Conditioner

1 Answer

We r using fedders air conditioner since 3 years, this year it making noise and we dont have any idea from which part it is coming....sometime there is no noise but some time there is too much noise ....it...


dear sir /madam

inside of the air conditioner there is one fan motor who always create like this noise so please make sure all screw are tighten well then check blower motor is rotating well and smoothly may be there is vibrating noise so please contact to your service technician for further technician .
hope answer the question

please vote !
thank you

Sep 06, 2010 | Fedders AEQ07FBG Air Conditioner

1 Answer

I have a 5-6yr old Maytag 11kBTU thru-wall AC unit


It should have screws on either side of the plastic part. Take those off and it will take some work to remove it. I cannot find my manual.

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1 Answer

Unit AW1091l has a bad vibration or hum, when it's on. Noise is worse on F2&F3.Unit cools to about 46 on high.Unit has also just been cleaned completely.


The bad hum or vibration can be a couple of things, a loose screw or motor mount, a loose or bent blade or wheel, or it's possible when unit was cleaned, if was cleaned with a water hose that water got on motor or shaft around the bearings and the bearings are seizing up.

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1 Answer

My Air Conditioner makes a loud buzzing noise now. It didn't do that before, now it makes so much noise I can't hear anything over it


Buzzing noise - contactor. maybe a bug got in the contacts or maybe the coil is bad but in any case if you replace the contactor the buzz will go away.

May 23, 2009 | Goldstar Heating & Cooling

1 Answer

Danby silhouette dpac120060, there is no longer any cold air coming out 1 year old


Was this gradally or all of a sudden, cause the thermostat switch could be bad or it vibrated and spranged a leak!

Sep 03, 2008 | Danby Heating & Cooling

1 Answer

Haier ESA 3185 AC won't cool; makes escalating loud vibrating noise near front panel/ filter


Have someone check the run capacitor of this unit. If the run capacitor is bad over shorted it can cause the unit to run and short cycle on a current overdraw. This makes for an electrical imbalance in the compressor motor. Next step is the compressor is faulty.

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