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Sounds like the fan blade is loose - Lasko 3135 Stand (Pedestal) Fan

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Knocking sound from engine.....sound like its from the fans in the front of engine


Grab the fan blade and move it forward and backwards. If it is hitting something it will be fairly loose. Also check wiring harnesses, they can come loose and hit the fan blade. After that start listening under the car. Bad bearings/rod knock.

Mar 14, 2015 | 2006 Chevrolet Chevrolet Malibu MAXX LT

1 Answer

Fan makes a rubbing sound


Most of the time, that noise is caused by a loose fan blade iron (what holds the fan blade to the revolving part of the fan motor housing. Turn The fan OFF and check all the screws (using a screwdriver) that hold the irons to the fan. You'll probably feel one iron wobble. If you do, that's at least one of the ones that's loose.

Hope this helps you troubleshoot and solve the problem.

Apr 21, 2011 | Hampton Bay Heating & Cooling

1 Answer

My computer when turned on is making a big rattling sound. What is wrong with the computer and how can I fix it?


Sounds like something is loose and is hitting the fan blades.
Remove the cover and check the cables near the fan, tie the cables back and make sure they don't hit the fan blades.

Sep 20, 2010 | Computers & Internet

2 Answers

I have a model 5BS520C. The light works but when I pull the chain for the fan, I hear the sound of three speeds but the blades do not turn. ed.pfohl@gmail.com


Here some toubleshooting:

Problem 1. Fan will not start.
Probable Cause
1. Fuse or circuit breaker blown.
2. Loose power line connections to the fan, or loose wire connections in the switch housing.
3. Reversing switch in neutral position.

Suggested Remedy
1. Check main and branch circuit fuses or circuit breakers.
2. Check line wire connections to fan and switch wire connections in the switch housing.
3. Make sure reversing switch position is all the way to one side.

WARNING: Make sure main power is turned off.

Problem 2. Fan sounds noisy.
Probable Cause
1. Blades not attached to fan.
2. Loose screws in motor housing.
3. Screws securing fan blade flanges to motor hub are loose.
4. Switch housing binding against the blade hub.
5. Wire connectors inside switch housing rattling.
6. Screws holding blades to flanges are loose.

Suggested Remedy
1. Attach blades to fan before operating.
2. Check to make sure all screws in motor housing are snug (not over-tight).
3. Check to make sure the screws which attach the fan flanges to the motor hub are tight.
4. Check to make sure that the switch housing does not bind against the blade hub.
5. Check to make sure wire connectors in switch housing are not rattling against each other or against the interior wall of the witch housing.
6. Tighten screws securely.

WARNING: Make sure main power is turned off.

Problem 3. Fan wobbles
Probable Cause
1. Setscrew in motor coupling is loose.
2. Setscrew in the hanger ball/downrod assembly is loose.
3. Screws securing fan blade flanges to motor hub are loose.
4. Fan blade flanges not seated properly.
5. Hanger bracket and/or outlet box is not securely fastened.
6. Fan blades could be out of balance.

Suggested Remedy
1. Tighten the setscrew in the motor coupling.
2. Tighten the setscrew in the hanger ball/downrod assembly.
3. Check to be sure screws which attach the fan blade to motor hub are tight.
4. Check to be sure the fan blade flanges seat firmly and uniformly to the surface of the motor hub. If flanges are seated incorrectly, loosen the flange screws and retighten.
5. Tighten the hanger bracket screws to the outlet box, and/or secure outlet box.
6. Interchanging an adjacent (side-by-side) blade pair can redistribute the weight and result in smoother operation.

WARNING: FOR YOUR OWN SAFETY TURN OFF POWER AT FUSE BOX OR CIRCUIT BREAKER BEFORE TROUBLESHOOTING YOUR FAN!!!

Hope helps.

Sep 02, 2010 | Monte Carlo Dryers

1 Answer

A noise coming from freezer, sort of howling and surging


CHECK FOR ICE AROUND THE FAN BLADES AND CHECK TO SEE IF THE FAN BLADES ARE TOUCHING THE SIDES OF THE AIR FLOW DUCT OPENING. WHEN THE BLADES TOUCH THESE OBJECTS THEY CAN MAKE A NOISE LIKE THIS. A MOTOR THAT IS ABOUT TO GO BAD MAY ALSO MAKE THIS NOISE. IF THE BLADES ARE'NT TOUCHING ANYTHING THEN YOU MAY NEED TO REPLACE THE FAN MOTOR. ALSO THE FAN BLADE MAY BE LOOSE ON THE SHAFT THAT IT SITS ON,TRY SLIDING THE BLADE BACK OR FORWARD AND SEE IF IT CONTINUES TO MAKE THE SOUND.

Apr 12, 2010 | GE Profile PSW26P Stainless Steel Side by...

3 Answers

Fan at radiator of cherokee is loose and banging


No it sounds like you have a bad water pump..

Feb 03, 2010 | 2000 Jeep Grand Cherokee

1 Answer

Loud sound from fan upon starting, fan is running and its loud maybe a clicking or rattling type sound, might be some wobble?


fan shroud is loose or dropped down, or fan mount is loose. could be bent blade? could be engine mounts. any accident? could be radiator supports. you need to look and see where fan is hitting. could be fan clutch also. are you sure there is no junk stuck in fan shroud like tree branch or other road debris?

Dec 31, 2009 | 1998 Dodge Durango

2 Answers

Noise from one of the fans on gyro fan


Please see my Solution to the post about the "HOT" motor, with blades that don't turn.
The Minka Aire Gyro fan heads do NOT have any exposed screws that can be tightened. Checking the rear (wood color) pointy trim piece -- first loosen, turn fan blades a bit, then it. tighten back up.

If your fan was just fine before, and now it's cranky, the problem could be the motor head's "tweaked" out of balance: EITHER from the rear trim piece (see above), or from the twin support arms. OR, the fan head has somehow gotten off-kilter and is whirling out of balance.
FIRST, gently rock each fan blade - they are PVC plastic, not wood, and should not Warp. Do they all look the same? Do they feel snug or loose in the fan head? IF that's all good...
1) With the fan OFF, swing that motor head thru it's up and down range a few times, make sure it's moving like the good one.
2) do the above-mentioned pointy trim piece thing, and the "swing thru" thing; rec-check BY HAND to see if it's corrected.
3) If not, check for fan head wobble by slowly turning the blade (fan head) and see if it's running parallel to the motor head. IF NOT, use a thin plastic (spatula) and gently wedge the kiltered side back to parallel - recheck afte each "nudge". It should spin nice and flat with no wobble, and not feel loose, either!
BY HAND: Spin the blades fast - does it bang? NO? great!
Yes? Double check that the grill hasn't gotten banged, and pushing into the blade's path. Re-try the "adjustment" of the fan head - if it still does not remove the problem, then the internal motor shaft supports may be loose, or broken.
Hope this Helps!

Jun 08, 2009 | Minka Aire F602-BNCH Gyro? Fan

1 Answer

GE ADORA DSS25KSRDSS FREEZER FAN NOISE


Unplug your unit and check the fan blade by manually rotating it with your finger, check if the blade is not touching the fan blade frame. Check if the screws are not loose, align the fan blade and re tight the fan blade screws.

Jan 08, 2008 | Refrigerators

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