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Bathroom Vent Problems

Posted on 5/9/23 at 7:52 pm
Posted by Tiger328
Member since Mar 2017
904 posts
Posted on 5/9/23 at 7:52 pm
I have a DSLD home and my bathrooms are set up where if the light is on, the vent is also on. It’s obviously had a lot of run time in the 3 years I’ve lived here. I’ve noticed it is beginning to rattle like a potential bad bearing. Any ideas on what to check and how to check that out?
Posted by East Coast Band
Member since Nov 2010
66950 posts
Posted on 5/9/23 at 7:58 pm to
Am I the only one that rarely uses a fan in the bathroom?

If I were you, I'd almost swap out that light/fan combo with just a light.
Posted by Tiger328
Member since Mar 2017
904 posts
Posted on 5/9/23 at 8:01 pm to
I will NEVER trust myself with anything electrical
Posted by Puffoluffagus
Savannah, GA
Member since Feb 2009
6447 posts
Posted on 5/9/23 at 8:10 pm to
quote:

Am I the only one that rarely uses a fan in the bathroom?

If I were you, I'd almost swap out that light/fan combo with just a light.


I think a lot of places it's code now to have a vented bathroom unless you have a window. Mostly for humidity and mold prevention and not so much for smelly shits.

I have one fan which is doing the same as the OP and i will probably get around to switching it to one where the fan only comes on when the moisture/humidity level is high enough.
Posted by weadjust
Member since Aug 2012
15662 posts
Posted on 5/9/23 at 8:21 pm to
Most bathroom vent fan motors are plug and play. Take the vent cover off. Remove 2-4 screws that hold the fan motor in place. Unplug the fan motor. Order new motor using fan/motor/model # on fan motor. Replace and put cover back on.

You could also try vacuuming out all the dust and spaying some white grease in the bearing area.
This post was edited on 5/9/23 at 8:24 pm
Posted by keakar
Member since Jan 2017
30152 posts
Posted on 5/9/23 at 8:27 pm to
quote:

I have a DSLD home and my bathrooms are set up where if the light is on, the vent is also on. It’s obviously had a lot of run time in the 3 years I’ve lived here. I’ve noticed it is beginning to rattle like a potential bad bearing. Any ideas on what to check and how to check that out?


in most cases you take the light bulb cover off, usually snaps or clips in place. depending on the design, you may need to remove the light bulb first and the screw under it to get to the fan. then you unplug the fan and remove one screw and that lets you remove the fan. you then clean the dust off the blades and add a drop or two of 3 in 1 oil to the bearings and then reinstall it. that usually makes it good as new again
This post was edited on 5/9/23 at 8:36 pm
Posted by baldona
Florida
Member since Feb 2016
23427 posts
Posted on 5/9/23 at 8:41 pm to
Well said above, a vacuum and some oil usually fixes them. I don’t know about the two in ones but the regular fans are very easy to replace the motors.
Posted by LSUDad
Still on the move
Member since May 2004
61935 posts
Posted on 5/9/23 at 8:53 pm to
Can try cleaning, adding a little lube spray. If not, bring it to an electrical motor repair shop. All else fails, buy a new one, plug in a new motor.
Posted by i am dan
NC
Member since Aug 2011
30546 posts
Posted on 5/10/23 at 10:04 am to
quote:

Am I the only one that rarely uses a fan in the bathroom?

If I were you, I'd almost swap out that light/fan combo with just a light.


I use the fan every time I walk in the bathroom just for the white noise.
Posted by Boomer 3
Member since May 2022
11 posts
Posted on 5/10/23 at 7:37 pm to
The bathroom vent light should have 3 wires. White, Blue, and Black. White is always neutral. Black is for the light, Blue for the fan. Installer connected the black and blue together to one switch. Probably to save money, switch, wire and labor times a 1000. Inspector really shouldn't allow this combining a motor circuit with a light circuit.
Posted by RealityTiger
Geismar, LA
Member since Jan 2010
20543 posts
Posted on 5/11/23 at 8:08 am to
I really don't know who downvoted you, but you're right. It's just like a ceiling fan. You can split the light and the fan off into two different switches.
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