Should I buy a new exhaust fan or try to fix old one?

The fan motor is very loud in this unit. We bought the house six months ago and it seems to be getting worse. We have the same one in the kids' bathroom so I know it isn't supposed to sound this bad. Can I replace just the fan/vent motor or should I just buy a new one? I found one for under $250 in white, ours has the brass ring, but I don't really care about that. I'm thinking if I do replace it I should buy the same one though so I don't need to cut a new whole or do repairs. Any thoughts? I did take off the exterior and look for vibrations, but it seems to be in there sturdy.

Anonymous Jun 14, 2018

they sell motors for it
the manual for this vent is clear as day
what the fan motor p/n is.
if its blocked or dirty clean the fan
a fan with junk on one side is imbalanced and will make noise
a fan blade,,missing cracked or bent will make noise. replace it.
the motor can be bad. and make noise.

the vent on top can be blocked making the fan be overloaded and makes noise, clean that.

here we go, a simple search.
https://duckduckgo.com/?q=N-QT9093WH++%2...

no lack of fans sold ever.
buy one put it in, its super easy job.

in almost every case, no need ever to rip out the whole fan assembly, and pay $300 for the fan and $100 labor.
just unplug it , unscrew it and replace it.
Anonymous Jun 14, 2018

with the blade off, them motor is $60
the blade is.$13 whole bucks.
if the blade is not broken buy just a motor.
(it's just a fan)

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37 Answers

If the air flow in the duct is restricted, that can cause excess noise also.

Posted on Jan 30, 2009

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The problem is finding new fan that fits same housing without spot-welding and drilling.
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Should I buy a new exhaust fan or try to fix old one?