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After compressor on,Sears/Kenmore ac makes a loud vibration noise

After the compressor is on, the ac makes a loud vibration kind of noise, not due to the window mount. This is some sort of mechanical problem or something loose and has begun this summer. Unit is three seasons old. The manual does not address this problem. Ideas??

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Sounds like head pressure problem it is most likely clogged on condenser try washing out really good then try again

Posted on Sep 13, 2009

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Ac makes whining noise on a 2004 Pontiac grand prix


Is the whining noise coming from the engine compartment where the compressor is located or is the noise coming from inside the car? If the noise if coming from inside the car it could be your blower. When a blower wears down the bushing is the first thing to wear down and it begins to have play. That makes the blower/fan vibrate making a loud whining noise. Replacing the blower could solve that whining noise.
If the noise if coming from the AC compressor, it also could be a bad bearing within the compressor.

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AC Clutch noise and vibration


An A/C clutch will not make this concern happen, more likely the A/C compressor is begining to go out. The belt on the A/C clutch Assy. free wheels (spins feree on the pulley) when clutch is not engaged. If concern is not present with A/C off this means the bearings in the puley assy. ok. Once the A/C clutch is engaged it locks the compressor against the spinning pulley and turn the compressor chaft and spins the A/C compressor internal shaft. If you hear a loud "screach" when you turn on the A/C it means the belt slipped for a second, if it continiues to screach it means either the belt is loose or that the compressor is internaly locking up. I wouild start by checking the belt tension (if not equipted with and auto tensioner). You can also remove the belt and turn on the A/C and attempt to turn the clutch/pulley by hand, it should turn with a little effect but should not bind or lock at times if that happens compressor is bad.

Sep 30, 2012 | 1997 Saab 900

1 Answer

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

My unit outside is working fine but it is making a lot of noise. All my neighbors are telling me that this is not normal. What can I do to reduce the noise. It is spinning fine but it makes loud noise.


Is the condenser coils clean..... If not take a hose and wash the condenser coils But make sure you shut the Main power off to it. Has the unit been charged with Freon lately??? If so they may have gotten it overcharged which will cause High head pressure and make the compressor noisy..... Or is it out of level and not setting on a stable surface. causing a vibration noise. You can put rubber pads under the AC if it is a vibration noise...... Also the Compressor may be going out..... It is hard to tell with out hearing it first hand....Hope this helps If you can't get it to quite down I would setup a Service Call to have them Service the AC and that you are having a loud noise coming from the unit....

May 05, 2011 | Goodman CLT48AER48 Air Conditioner

1 Answer

There is a loud vibration noise whenever the compressor is running. Everything, including the coils on the back of the box vibrates so loudly that it can be heard in the next room. The compressor appears...


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.

Dec 19, 2010 | Kenmore Refrigerators

1 Answer

Woods Freezer Makes Loud Vibrating Noise at 10pm each night


sounds like either your compressor is loose and just rattling or the compressor is off balance and its rolling around inside the seal can.  take a look at it when it is making the noise.   put your hand on the compressor (careful   might be hot)   if it feel like it running smoothly then i would call an electrician cause that kinda puts me out of ideas without being there...  sorry

Good luck 

Jason

Jan 15, 2009 | Woods 201 cu. ft. Upright Freezer V2003RW3

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.

May 16, 2008 | Haier ESA3245 Thru-Wall/Window Air...

4 Answers

Loud as Hell


Is it installed in a window? Check to make sure it is installed correctly. usually there is a felt or foam strip that is used to dampen vibration when you place it in the window. It also acts as seal to keep outside air and bugs out. If you place your hand at various locations on the unit does the sound go away? If it does then you know it is a vibration problem. Just add new foam or re-adjust the foam or gasketing it already has. If that doesn't work then try to locate the source of the noise. Use a mechanics stethoscope or even a cardboard tube from paper towels will work. Once you have located the source then you can tell the store what the problem is when you take it back and get a new one. Cheap air conditioners are noisy. Some more than others, it's why they are cheap. But your problem does sound like it could be a product issue.

Sep 25, 2007 | Haier Mechanical Air Conditioner HWF05XC7

4 Answers

Refrigerator makes lot of noise


titu, can you be more specific on what kind of noise you're hearing. If it's a squealing noise I would suspect either the evaporator or condensor fan. See if you can isolate where it's coming from. Catriver..post back.

Oct 12, 2006 | Kenmore 64254 / 64252 / 64259 Top Freezer...

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