Question about Broan-NuTone N-671R Exhaust Fan Exhaust Fan

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Bathroom exhaust fan 16 years old and noisy. How to fix?

Nutone 671 B unit bathroom exhaust fan is about 16 years old. Has been gettng progressively noisier. I have taken grate down and all seems pretty solid without too much play. Is there a way to lubricate motor or bearings? Is there an easy solution, or do I need to repalce motor?

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One drop of 30 wt oil at each bearing will quiet the thing for a while, but you will eventually want to replace it. Also consider the whole fan is about the same cost as the motor, and easier to find.

Posted on May 16, 2009

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Replace the motor would be your best bet, due to the fact that you will need to get into the old motor and clean it like crazy before you even try to put any lubrication in the motor. It should have a lubrication hole, but those motors are cheap enough to just replace and move on

Posted on May 16, 2009

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