Author Topic: Noisy bathroom exhaust fan?  (Read 5724 times)

Offline mrdiy

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Noisy bathroom exhaust fan?
« on: January 31, 2009, 01:58:49 PM »
The exhaust fan in our bathroom is really noisy. I would guess the motor bearing has gone bad.

The fan maybe around 30 years old. Is it worth trying to find a replacement motor or should I just go to Menard's and by a whole new exhaust fan?

Offline Mr. Fix-It

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Re: Noisy bathroom exhaust fan?
« Reply #1 on: January 31, 2009, 02:04:31 PM »
Buy a new one you'll never find a replacement motor.

Offline mrdiy

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Re: Noisy bathroom exhaust fan?
« Reply #2 on: January 31, 2009, 02:06:54 PM »
Buy a new one you'll never find a replacement motor.

That's what I was thinking too.

Anything special I should look for when buying a new one?

I don't want to go all out, but I hate to buy the cheapest thing too.

Thanks for the reply

Offline Mr. Fix-It

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Re: Noisy bathroom exhaust fan?
« Reply #3 on: January 31, 2009, 02:09:01 PM »
High cfm and low noise.

Offline mrdiy

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Re: Noisy bathroom exhaust fan?
« Reply #4 on: January 31, 2009, 02:15:23 PM »
What is cfm?

Offline Mr. Fix-It

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Re: Noisy bathroom exhaust fan?
« Reply #5 on: January 31, 2009, 02:17:11 PM »
Cubic feet per minute thats how much air the move in a given time.

Offline mrdiy

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Re: Noisy bathroom exhaust fan?
« Reply #6 on: January 31, 2009, 02:24:09 PM »
oh, I wonder if I can get my old one out and look at the motor to see what the cfm is?

It would be nice to get something at least the same size cfm if not a little larger.


Offline Mr. Fix-It

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Re: Noisy bathroom exhaust fan?
« Reply #7 on: January 31, 2009, 02:25:49 PM »
The motor and the fan produce the cfm volume the motor will only tell you rpm(revolutions per minute)

Offline RegUS_PatOff

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Re: Noisy bathroom exhaust fan?
« Reply #8 on: January 31, 2009, 06:07:25 PM »
There may be a sticker on it with the Brand, Model number & CFM, etc ...
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Offline JWWebster

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Re: Noisy bathroom exhaust fan?
« Reply #9 on: January 31, 2009, 08:43:27 PM »
If that fan blade is a metal one it probably has a loose hub. You can easily remove the blade and set it on a work bench. I use my vice. Gently ping around the hub and tighten up the hub using a blunt chisel and Ball been hammer.I slide a piece of 5/16th shaft onto the hub to keep from bumming it up but I doubt you have that luxury so be careful and all that noise will go away.
« Last Edit: January 31, 2009, 08:46:20 PM by JWWebster »
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Offline SmArtE

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Re: Noisy bathroom exhaust fan?
« Reply #10 on: February 08, 2013, 03:38:58 PM »
I had two fans that were installed in approx 1985.  I took them out and was able to find the same fan on the internet for maybe $10 to $25 each.  At that price, the shipping cost is worth it.  The reason I did not buy new fans is that the fan housing was totally different, and the price was near $100 each.  I was not going to get in the ATTIC and redo the fan support structure and maybe the vent tubes.  Take your time and I bet you can also find the same "old" fan.  I found mine by looking at images from many search results.   O0  P.S. I repainted the interior and exterior parts of the fan housing and now it looks as if the whole thing is new.

 

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