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When turn on fan sounds like it need greasing and

When air condition is turn on fan sounds like it need greasing and vibrates all the time

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If you are refering to the indoor blower, you need to shut off the ower to the unit, open the blower chamber and check the cleanliness, build up of dirt and debris in the squirrel cage can sometimes cause vibration. Check the "end play and see if there is considerable play in and out on the motor shaft, also check the mounting brackets to verify the intergity of the mechanical connections. If it is a belt drive, it could be the bearings, the bearing mounts or the cage itself if it is belt drive then consider changing the unit as it is well past time!

Posted on Jul 12, 2009

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Posted on Jan 02, 2017

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1 Answer

Makes squealing noise (tyres?)


Most commonly, that sound would be coming from your brakes. Have you had them checked or replaced recently?

Brakes will squeal if they get worn down too far and require brake pad replacement. Sometimes they will squeal in perfectly harmless condition such as when they get wet, which should clear up quickly as they dry, or if they experience too much vibration. New brake will also sometimes come with either gaskets, metal clips, or a sort of anti-vibration grease or putty to reduce squealing from harmless vibration.
In any case, I would recomend having somebody knowledgable (or service center) check the brake pads for wear and replace if neccessary.

On more rare occassions, the squealing could be coming from other sources such as being in need of chassis lubrication, axle grease, and so forth. Most more serious mechanical wear or failure would sound more like a grinding noise.

Oct 15, 2013 | Land Rover Cars & Trucks

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

In Fan mode, fan works; but in AC mode, I can hear the normal AC sounds, except the fan never turns on. This is the fan in the lower half of the unit in the inside of the house, which blows the air...


on a call for air conditioning your therrmastat brings the indoor fan on and the out door unit at the same time. Since your fan comes on in "fan" mode, it sounds like you need a thermastat. For temp. cooling just turn your fan switch to "on" and turn system switch to cool and set desired temp. System will cycle off and on but fan will not shut off until fan control is set back to "auto". I suggest replaceing thermastat

Aug 16, 2011 | Heating & Cooling

1 Answer

Hi, I would like to find out what services i need to do on the car. also my air conditioning is blowing air only when i am driving no fan power, what do you think is the problem. I like to keep my car and...


It sounds like you need to have your air conditioning charged and filled with Freon. Regular oil changes and fluid checks need to be done every 3000-4000 miles. You transmission needs to be checked and you transfer case needs its fluids checked also. Just get full service oil changed done and they usually cover all the important things that need greased, oiled and fluid. As far as the 'no fan power" your fan motor is probably not working and will need to be replaced, which can be purchased at an auto parts place new, or you can also probably find a used one at a wrecking yard.

Jun 18, 2011 | 2000 Jeep Grand Cherokee

1 Answer

Running but no cool air blowing


Problem #1:Outdoor condensing fan motor has stopped running. This problem could be caused by a bad motor run capacitor. If your motor capacitor is not the problem, then more than likely you need a new motor. Is the fan blade tight, stiff or hard to turn? If the fan blade is hard to turn then you probably need a new motor. Problem #2: Air conditioner compressor will not start. When power is applied to the air conditioning outdoor unit the fan starts, but you hear a sound like the compressor is trying to start, "UGGG"..., for about 5 to 10 seconds and then all you hear is the outdoor condenser fan run. The compressor is locked and will not start. What is happening is the compressor is trying to start, but because the compressor motor is locked it tries to start for a few seconds and then because of the high amperage being drawn goes off on internal overload. The internal overload protects the compressor windings from overheating and burning up. I see this many times during the start of the air conditioning season. Some compressors just have a hard time starting after sitting all winter long. Some compressors are locked up so bad that I can not start them and must tell my customer that they need a new compressor . Many times I can get the compressor started again without having to buy a new compressor or new air conditioning system by using the device that is called, "Super-Boost." I keep two or three of these on the truck. They have saved many of my customers from having to buy new air conditioning systems

Jun 15, 2011 | Weather King 10AJA3601AH Air Conditioner

1 Answer

Heating unit hums when the fan comes on


The fan has run out of grease and vibrates. May need to change fans. If it's in the power suppy you could get a new one. Greasing fans manually is bad because it doesn't last and if you do it wrong you will get grease everywhere when you turn on the computer and break the computer. also DO NOT open the power suppy as it can electrocute you even if not plugged in as it stores some electricity.

Nov 26, 2009 | Superior Lennox Blower Thermal Sensor -...

1 Answer

Air only works on setting 4 or 5, and is very loud


check fan switch and fan motor as it sounds like the fan is causing the vibration,you need to look under the dash to get more info

Oct 28, 2009 | 2000 Chevrolet Impala

1 Answer

I have a Carrier 58SX060 Furnace with air. I turned the thermostat to heat and the exhaust comes on and runs and the pilot comes on but the burner never light s and the blower never comes on. If I turn the...


carrier gas furnaces will try to light three times then will usually go on a lockout for one hour you can bypass the lock out by resetting the power, turn furnace on, remove wires from gas valve, you will need a multi meter to check for voltage to valve, if control board sends a call to the gas valve the valve is bad, if voltage is never present during the lighting cycle your control board is bad

Sep 30, 2009 | Heating & Cooling

2 Answers

Air conditioning


Hi,

Fan problem could either be the starting capacitor or the motor itself. Often it would just be the capacitor and you could verify this by a humming/vibrating sound coming from the motor as if trying to turn but is not capable of. If it were the motor burned, the unit would have excessive current tripping the breaker or a fuse blowing.

Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards. Thank you for using FixYa.

Aug 13, 2008 | Coleman Mach 15 Air Conditioner

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