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varadins t1_ix8l1wv wrote

You see two screws that are attached to the silver bracket. Loosen those and the armature with the motor and fan will come out.

It may be easier to just replace the entire unit. Because of moisture in the bathroom, a lot of times, the hardware will have rusted or is bound. Replacement units are comparable in price to parts and pieces.

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party_benson t1_ix8wznd wrote

I'd also add that a new unit may be quieter. I just replaced mine not so long ago and it's a huge difference. Worth considering if the noise bothers you.

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series_hybrid t1_ix9je7l wrote

It took me years to realize that some bathroom fans are loud...in purpose.

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Longjumping_Local910 t1_ix9xlxu wrote

If you do replace the unit totally, make sure that you purchase one that is correctly sized to your bathroom. They are usually clearly advertised with a square footage range on websites.

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nich3play3r t1_ix8lppl wrote

Yeah, varadins said. Hell, I have one upstairs with a failed light ballast, and I’ve decided even that probably warrants a total unit replacement. Can’t wait to crawl up into the attic….

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Fuzzy_Chom t1_ix8tbwr wrote

This is your opportunity to change the whole thing, upgrade as you wish, and/or put in something quieter or higher CFM output.

We bought our mid-90s house about a year and a half ago. I replaced all 5 fans (2 1/2 bath, toilet room, laundry room) with all new units and am glad i did.

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unoriginal_user24 t1_ix8lmj0 wrote

Sure, you could do that. Finding the right size replacement will be harder than just getting a new unit. Cost will be about the same as a brand new unit.

Replacing the whole unit is not hard, and it gives you a chance to look at the exhaust end/ducting to see if you have any issues there.

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brock_lee t1_ix8m574 wrote

Absolutely. They almost certainly make the inside part just for that fan, for that purpose. I've done it before. SO MUCH easier than swapping out the whole unit with a new one.

Even if you can't find the correct replacement, you can also likely find a universal motor/fan you can mount in the existing piece.

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f1junkie t1_ix8maoo wrote

You'll probably find it's easier and cheaper to install a whole new unit. Easier just because it might be a challange to find the motor you need on its own.

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FirmInvestigator4946 t1_ix8t1db wrote

Definitely will be easier and cheaper to buy a new unit. Had this exact issue happen and it was so much easier to install a new and more efficient unit in.

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billyjack669 t1_ix8tget wrote

I bought a replacement motor for mine and could never get the old motor off the squirrel cage fan regardless of he allen key / angle / holding my tongue just right.

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ZipperJJ t1_ix8z5ah wrote

If you can find a new complete unit that fits in the same size hole as the box of your existing unit, I would suggest doing that. You can get something quieter with better features.

But, if you're like me and there's no new unit that fits in the same size hole, yes, you can replace just the fan part as others have described. I was able to get a replacement for my very old fan from Supply House.

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cardcomm t1_ix9cb5d wrote

I changed just the motor, since mine is installed fro inside the attic, and space up there is VEY limited.

I got the replacement at my local Grainers. It was super easy to change.

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tatpig t1_ix9oeay wrote

just did this. one screw holds the hickey that the fan motor is mounted to. if you don’t have a model # to search for, critical dimensions for you here are center to center of mounting studs, height and diameter of squirrel cage.

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