Repairing Guides

how to repair exhaust fan in bathroom

by Leopold White Published 3 years ago Updated 2 years ago
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How to Repair a Bathroom Fan

  • Replace a dead motor and improve air flow. Fix your bath fan without replacing the entire unit and improve air flow with a first class vent system.
  • Replace a dead motor. Pull the grille down and pinch the springs to release them from the housing. ...
  • Run duct outside to prevent roof rot. ...
  • Required Tools for this Project. ...
  • Required Materials for this Project. ...

Full Answer

How to fix a bathroom fan that won’t run?

Install the new motor and reattach the blower wheel. If your bathroom fans are dead, here’s some good news: You don’t have to tear out the entire unit. Even if you fan is decades old, chances are you can get a replacement motor. Although a new motor costs about the same as a new fan, a bathroom vent fan motor replacement saves time and trouble.

How do you fix a broken motor on a bathroom fan?

The workings of most bathroom fans are accessed by pulling down and unlatching the spring-mounted cover. Tab62 / Shutterstock.com The easiest fix for a motor that has burned out or stopped running is usually to shut off the power, open up the fan, and replace the fan motor.

What should I do if my exhaust fan is not working?

If the exhaust fan motor doesn’t spin smoothly, you might need to clean the assembly or lubricate the motor with a few drops of light machine oil at each end of the motor shaft. The motor is burnt out and needs replacing.

How long does it take to replace a bathroom vent fan motor?

Although a new motor costs about the same as a new fan, a bathroom vent fan motor replacement saves time and trouble. You don’t have to cut into the ceiling, crawl around your attic or get up on your roof. It usually takes less than an hour. Your first step is to get the fan’s model number.

How do I replace a bath fan motor?

How long does it take to replace a bathroom vent fan motor?

Can you replace a dead motor without tearing it out?

Can you run a duct through the roof?

See more

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What causes a bathroom exhaust fan to stop working?

If it still isn't working, you might have a clogged exhaust duct. You can clean it with a broom handle that has a rag attached on the end. You can also buy duct cleaning rods that can curve or make 90 degree bends to clean your ducts. Wet-dry vacuums can also work to clean shorter ducts.

Can exhaust fans be repaired?

Exhaust fan repairs will prevent mold growth in your house and keep the fan working for many more years. Chances are good that your broken fan doesn't need to be completely replaced. Mr. Electric repairs exhaust fans in kitchens and bathrooms every day.

How do you fix an exhaust fan in the bathroom?

0:334:45How to replace or repair a bathroom fan - YouTubeYouTubeStart of suggested clipEnd of suggested clipIf you are just going to replace the motor you need to bend. These little metal Clips here. And youMoreIf you are just going to replace the motor you need to bend. These little metal Clips here. And you can pop this part out just like that.

Can you fix a bathroom fan motor?

Even if you fan is decades old, chances are you can get a replacement motor. Although a new motor costs about the same as a new fan, a bathroom vent fan motor replacement saves time and trouble. You don't have to cut into the ceiling, crawl around your attic or get up on your roof. It usually takes less than an hour.

How much does it cost to replace bathroom exhaust fan?

Bathroom exhaust fan replacement costs $150 to $550. The cost to install a new bathroom fan is $250 to $950 to vent the fan outside through the roof or wall. Toilet extractor fan prices are $50 to $150 on average, plus hiring an electrician or handyman costs $100 to $800 to install.

Is it hard to replace a bathroom exhaust fan?

It's easiest to install a bathroom vent fan if you're replacing an existing fan. You can use the existing switch, wires and ductwork. Also, it helps to get a fan that's the same size as your existing fan so you won't have to adjust the size of the ceiling hole.

How long do bathroom fans last?

about ten yearsRoutine cleaning will help extend the life of your exhaust fans, but they won't last forever. The average life of a bathroom exhaust fan is about ten years, and kitchen hood fans tend to hang in there a little longer at around 15 years.

How do you fix a noisy exhaust fan?

2:4311:55How To Fix a Noisy Bathroom Exhaust Fan | Easy Project - YouTubeYouTubeStart of suggested clipEnd of suggested clipJust apply pressure to both sides. And it's pretty easy to remove.MoreJust apply pressure to both sides. And it's pretty easy to remove.

How do I know if my bathroom fan motor is bad?

Broken Bathroom Fan Does Not Circulate Air Can it hold a square of toilet paper to the screen? Running fans that fail to ventilate or circulate air usually mean the motor or blade needs repair: Remove and clean the fan blades. Tighten the fan blades so they spin evenly.

How do I replace an exhaust fan motor?

6:2412:23How to Replace a Bath Fan Motor - YouTubeYouTubeStart of suggested clipEnd of suggested clipSo what we're gonna do is just remove these mounting bolts install. The new fan motor. As. You canMoreSo what we're gonna do is just remove these mounting bolts install. The new fan motor. As. You can see the holes line up. And put on the new impeller that came with this fan. And we should have a fix.

How do you take apart a bathroom fan?

0:283:23How to Remove a Bathroom Exhaust Fan Motor - YouTubeYouTubeStart of suggested clipEnd of suggested clipThere's two wings on the side just pinch them together and it should pull right out next we're gonnaMoreThere's two wings on the side just pinch them together and it should pull right out next we're gonna have to remove the light. So on the inside.

How do you fix a noisy exhaust fan?

2:4311:55How To Fix a Noisy Bathroom Exhaust Fan | Easy Project - YouTubeYouTubeStart of suggested clipEnd of suggested clipJust apply pressure to both sides. And it's pretty easy to remove.MoreJust apply pressure to both sides. And it's pretty easy to remove.

How do you fix an exhaust fan flap?

0:554:30How to fix ceiling exhaust fan flap noise - YouTubeYouTubeStart of suggested clipEnd of suggested clipSo you will need to use a flat head screwdriver. And on the both side of the fan there is a clipMoreSo you will need to use a flat head screwdriver. And on the both side of the fan there is a clip that gets stuck with the fan. So just press the flat head screwdriver to unhook it.

Why is my kitchen exhaust fan not working?

When the fan on your range hood stops working, the two most common problems are a broken on and off switch and a burned out fan motor. Unless you feel secure in your repair skills, hiring a repairman to fix these issues may be your best option.

How do I fix my range hood fan?

Or to ensure that your range hood parts work efficiently, check out this list:Inspect the circuit board.Inspect all switches.Replace the control panel.Replace your driver.Replace burnt light bulbs.Replace the light socket.Tighten the blower.Inspect your fan blades.

Bathroom Exhaust Fan Doesn't Turn On » The Money Pit

LESLIE: Shannon in North Carolina is on the line and needs help with a bathroom vent switch. What’s going on? SHANNON: The problem is I turn the switch on to it; sometimes it comes on, sometimes it doesn’t.

How Do I Fix a Broken Bathroom Fan? | EarlyBird Electric

I need to fix a broken bathroom fan . It can be exhausting when your bathroom fan is not exhausting. You know your fan gets rid of bathroom smells, but its main job is to remove hot, moist air and keep the room dry to help prevent mold and mildew.

Bathroom Ceiling Fan Troubleshooting Tips | Home Guides | SF Gate

Bathroom Ceiling Fan Troubleshooting Tips. The exhaust fan on the bathroom ceiling fan vents hot, moist air, keeping the room comfortably dry. By controlling the humidity, it also inhibits mold ...

Why is my bathroom fan not exhausting?

You know your fan gets rid of bathroom smells, but its main job is to remove hot, moist air and keep the room dry to help prevent mold and mildew. Use your exhaust fan both to get rid of smells and to cycle out wet air before and after showers and baths.

What to do if exhaust fan doesn't spin?

If the exhaust fan motor doesn’t spin smoothly, you might need to clean the assembly or lubricate the motor with a few drops of light machine oil at each end of the motor shaft. The motor is burnt out and needs replacing.

How to get rid of a bathroom smell?

Use your exhaust fan both to get rid of smells and to cycle out wet air before and after showers and baths. Quick tip: to help the bathroom fan remove odors and hot, moist air more efficiently: Turn on the fan when you enter so the air is already moving. When you leave, keep the door open.

Why isn't my bathroom fan working?

Here are some of the most common reasons, and how to fix them: Check to see if something tripped the circuit breaker. Reset the circuit breaker if necessary. Check the fan switch with a voltage tester.

How to test suction on a grill?

You can test suction by turning on the fan and then putting a piece of toilet paper up to the grill. If the toilet paper doesn’t cling to the grill, you probably need to clean it. Remove the grill and use an old brush to remove lint or dirt on the grill slats.

How many times can you replace a bathroom air conditioner?

You want to be sure you get one that’s powerful enough to replace the air in your bathroom 8 times in one hour. For that, check the CFM rating. Bathrooms 50 square feet and smaller typically have a CFM range of 50-79. For larger bathrooms, select a fan that can move at least 1 CFM per square foot of room.

How to check if a fan switch is bad?

Check the fan switch with a voltage tester. Replace it if you have a bad switch. If the fan switch is on a ground-fault circuit interrupter outlet (that outlet with the buttons that automatically turns off the electricity to prevent electrocution) test it to make sure it’s reset.

How do I replace a bath fan motor?

Bath fans vary in design, but motor replacement requires the same basic steps, no matter which brand or model you have. Turn off the power to the fan at the main breaker panel. Then unplug the fan and remove the motor plate (Photo 2). Some motor plates release by pressing or prying on the side of the fan housing.

How long does it take to replace a bathroom vent fan motor?

You don’t have to cut into the ceiling, crawl around your attic or get up on your roof. It usually takes less than an hour.

Can you replace a dead motor without tearing it out?

You can replace a dead motor without tearing out the ceiling and replacing the whole thing. You can also improve venting and prevent roof rot by running the vent through the roof, and not leave it in the attic as was done by many contractors. Both improvements are easy. This article shows you how. By the DIY experts of The Family Handyman Magazine.

Can you run a duct through the roof?

Running a new duct up through the roof isn’t a complex job, but you will have to work in the attic and on the roof. Since you’re doing all that work anyway, consider replacing the fan. An attic can get dangerously hot in summer, so work on a cool day. Wear a dust mask and eye protection.

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Replace A Dead Motor

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If your bathroom fansare dead, here’s some good news: You don’t have to tear out the entire unit. Even if you fan is decades old, chances are you can get a replacement motor. Although a new motor costs about the same as a new fan, a bathroom vent fan motor replacement saves time and trouble. You don’t have to c…
See more on familyhandyman.com

Run Duct Outside to Prevent Roof Rot

  • When there’s an attic above the bathroom, some installers take a shortcut: Instead of running the duct through the roof, they end the duct inside the attic. The result is that the fan fills the attic with moist air. That moisture feeds wood rot. In winter, frost forms in the attic and as the frost melts, water can damage the ceilings below. If you don’t have a cap on your roof like the one shown in …
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Required Tools For This Project

  • Have the necessary tools for this DIY project lined up before you start—you’ll save time and frustration. 1. 4-in-1 screwdriver 2. Adjustable wrench 3. Caulk gun 4. Drill bit set 5. Drill/driver - cordless 6. Pry bar 7. Utility knife
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