Question about Broan-NuTone N-769RF Combination Light Fan Exhaust Fan

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Noisy fan We just moved in to a new place and the fan is really loud. Kind of like a whirring noise but no grinding. It's been adjusted once already by the builders but it's already doing it again 2 weeks later. Any quick suggestions?

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We had our house built with the same Nutone fan/light units in all 4 bathrooms. Moved in in 2002. One of the units starting making a loud noise last month. I popped the plasic cover off the light, then carefully pulled out the bulb, then unscrewed the wingnut in the middle. That allowed removal of the light assembly. Then I had access to the blade and motor. I found a lot of dust had collected on the motor and blade. I blew most of it off with compressed air (like what you would use on a computer), then used an electronic cleaner on the motor, then wiped off the blade and motor with a clean cloth.

I then crossed my fingers and turned on the fan.... It worked! It was quiet again. I waited a week before posting this. The fan is used every day. It is still quiet today.

If it ever needs replacing, I saw that Nutone sells the motor alone for about $22, that's a lot better than replacing the whole unit for around $70.

Mr. J.

Posted on Jan 10, 2009

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