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Fan "squels" when turned on. compressor runs ok. is this a sealed bearing fan? Thank you

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Hello
Most newer fan motors are sealed bearings.
I have had some luck using wd 40 on sealed bearings.

If this does not help then youll need a new motor.

Posted on Aug 30, 2010

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My car has a bad squel in it


Hi Kathy:
Lots of possibles but usually not too hard to track down:
- If it only squeals when it is moving it could probably be that the brakes have worn down to the point that the little metal tabs are dragging on the discs. Time for some maintenance.
- If it squeals when the engine is running and the vehicle is NOT moving, it will likely be a bad serpentine or fan belt, or a bad bearing in the alternator, tensioner, water pump, or compressor.
Reply as a COMMENT to this post and I'll try to help you isolate the problem.
Cheerfuls.

Jan 26, 2016 | 2004 Pontiac Montana

2 Answers

Goodman heatpump fan runs, condenser wont start


Either the condenser fan has bad bearings, or it has a defective fan capacitor.
Turn off the breaker to the outside unit.
Spin the fan blade by hand.
If the fan blade spins easily and will spin a few revolutions with no problem the fan bearings are good.
If not, replace the fan motor due to bad bearings.
I am pretty sure you fan motor is bad because with a bad capacitor the fan motor will not get up to speed and may just sit and overheat.
I'm leaning toward a bad fan motor.

Sep 27, 2012 | Goodman Manufacturing Goodman GSC130301...

1 Answer

Craftsman Air Comp. 6 hp oil-less, 33 gal horz. tank - sounds really loud


Sources of noise from craftsman oil free compressors (could be Made by Campbell Hausfeld or Porter Cable) include loose fan, failing bearing/s on the piston rod and housing, failing seal ring on piston, air filter intake and loose motor mounts. With the housing cover off, check the fan blade for cracks or loose screw. Turn motor by hand till the piston is at top of stroke. Examine the cylinder for scratches close to top. If scratched, air is leaking past vinyl ring making noise and causing longer fill time. If everything looks ok, suspect noise coming from bearings. Hard to tell if bearings are failing by looking at them. I have seen many failures of the piston bearing on the crank (fairly easy to change, I use alternator bearing from auto parts ) , however, the bearing in the housing just behind the crank bearing is much harder to replacable. Good luck with your fix-it project.

Jun 11, 2012 | Craftsman Air Tools & Compressors

2 Answers

AIR CONDITIONER QUIT WORKING


Pop the hood, start the vehicle and turn the AC on. Watch the compressor, it should have a center that rotates on an off and you should hear a clicking sound. This is the compressor clutch you are looking at. If the compressor is not doing this, check the fuses for the AC. If the fuses are good, then most likely the high side sensor switch is not working, therefore the clutch never engages and the air never gets cold.

Try that and get back to me, ok?

Sep 18, 2009 | 2003 Kia Sedona

1 Answer

Fridge and Freezer won't cool.


The evap fan is running - but is your compressor motor running -t his is what i'm concerned about - 82F ? That is very high - this suggests to me there is no cooling AT ALL - only the fans are working - and my gut tells me your compressor is not running AT ALL - I would rule out thermostat since when it kicks in and your evap fans turn on, your compressor should turn on too. If this fridge has electronic controls, have your motherboard / control boards checked, have your compressor checked. If your compressor is running and you can hear its distinctive humming sound, then you have a sealed system problem, a major one :) Have those two things checked.


Aug 19, 2009 | GE Refrigerators

1 Answer

Will not run - compressor runs


Shut the power off to the unit, spin the fan blade to see if it spins freely. If it doesn't spin freely, (there appears to be a little drag when you spin it),the bearings are bad, if it does spin freely, then try moving the motor shaft from side to side if there’s any play in the shaft side to side then the bearings are worn and motor needs replaced. Then, check the capacitor, if it’s bulging even slightly, the capacitor is bad and needs replaced. Most of the time people replace the capacitor if motor seems ok. If capacitor is ok, turn power on to see if the motor is getting the proper voltage, if it is and not trying to run, then the windings are probably open, the motor's bad and needs replaced.

Aug 14, 2009 | LG DH30 GoldStar Dehumidifier

1 Answer

We have a Coleman 7300 rooftop ac unit. When the


The fan motor is getting hot and going off on the internal overload in the motor.
This is caused by either a low voltage, a bad capacitor, or tight or dry bearings in the motor.
To check the bearings turn the power off to the unit, then spin the fan blade if it spins freely then the bearings are ok.
To check the capacitor you will need some kind of
tester or you can buy a capacitor and replace it, that's what a lot of people do. They usually don't cost very much.
To check the voltage you will need a voltmeter and measure the volts at the unit.

Jun 07, 2009 | Dometic Rooftop RV Air Conditioner

1 Answer

RV air conditioner. Compressor running, fan stops before cool


The fan motor is getting hot and going off on the internal overload in the motor.
This is caused by either a low voltage, a bad capacitor, or tight or dry bearings in the motor.
To check the bearings turn the power off to the unit, then spin the fan blade if it spins freely then the bearings are ok.
To check the capacitor you will need some kind of tester or you can buy a capacitor and replace it, that's what a lot of people do. They usually don't cost very much.
To check the voltage you will need a voltmeter and measure the volts at the unit.

Jun 06, 2009 | Dometic Rooftop RV Air Conditioner

1 Answer

SQUEL at all speeds..


Bearings in thermostatic fan. Try and run it without the fan on for a minute. Maybe you can even get the fan to squeal by turning it by hand, but you probably won't get it to go fast enough.

Feb 25, 2009 | 1997 GMC Jimmy

1 Answer

I have a Duo Therm RV air conditioner probably put in when RV was made in about 1989. Started leaking through the ceiling last year down onto my floor, so I kept it off for a while. I would only try it now...


I need more information. And if you have worked on AC's before? Thes main things to check I believ is the fan motor I just wrote out a long explanation as to what to check and look for and I think it got lost. SO I believe your hearign the compressor continue to run even when the fan stops. 
Eventually the compressor over heats and stops. this is when nothig runs. Here is where I believe te indoor coil has been covered with Ice-frost and when the compressor stops the ICE FROST melts and you get water on your floor. 
The motor could be bad or the run capicator  I also believe your indoor coil (and most likely the outdoor one too) is plugged up or dirty. A dirty outdoor coil is the most often cause of motor over heating and or capicator failure. If you can look through the fins of the outdoor and indoor coil ALL OVER then they are clean. Any area stopped up over 20% and you need to wash them out.
Take your capicator out and have it checke by someone with a capicator checker. They will most likely have a replacement if needed. Check the "STIFFNESS" of the motor bearings. If you spin it and it turns over 2 or 3 times or more the bearings are probably ok.  If it has oil holes add about 20 to 40 drops lite machine oil to the bearings. If they are sealed... Start looking for a repairman or take care if your goin to change it yourself. Too many factors to go into here about changing a motor. And some may or maynot apply.
Hope this helps you if I need to more clear get back to me and well discuss it more. GOOD LUCK!

Feb 23, 2009 | Dometic Rooftop RV Air Conditioner

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