Question about Broan-NuTone N-8664RP Combination Light Fan Exhaust Fan

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Noisey fan The fan is making a lot of noise. I can't see anything loose or rubbing. Is ther something I can lubricate to stop this. Wher exactly do I spray the lubricant and what kind shoul I use? Another person had a similar problem and you suggested to remove the 'net' and lubricate motor. What is the 'net'?

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In my case noise was coming from the plastic blade rubbing against the sheet metal housing. I removed the motor and added 2 washers to the mounting screws. The washers acted as spacers and lifted up the motor/blade assembly with respect to the sheet metal housing. The blade no longer rubbed against the housing and the noise stopped.

Posted on Nov 15, 2008

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I had the exact same problem and repaired in a similar way than Solution #2 posted on Nov 15, 2008

I added a steal o-ring on the shaft to prevent the blade from going to low and rubbing against the metal casing! The key is to prevent it from lowering on the shaft.

Posted on Jul 18, 2009

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The bearings in the motor are probably failing/or dry.Locate the shaft of the motor going into it and spray wd-40 on it and see if this helps.

Posted on Dec 11, 2007

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