You can replace a dryer belt yourself with basic tools and about half an hour

A dryer belt wraps around the drum and turns it when the motor runs. When it frays, snaps, or stops gripping, the drum stops spinning even though you hear the motor running. Replacing it means removing the front or rear panel (depending on your dryer model), sliding out the old belt, and threading a new one back in the same path. Most people do this without calling a technician, and the belt itself costs between $20 and $60.

The hardest part is not the replacement—it is identifying which panel to remove. Top-load dryers (where you open a door on top) almost always come apart from the front. Front-load dryers (where the door is on the front) usually come apart from the rear, though some older models open from the front. Your dryer's manual tells you which, and if you do not have it, the model number on a sticker inside the door lets you find the manual online in about two minutes.

Key Takeaways

  • Dryer belts cost $20 to $60 and take 20 to 30 minutes to install if you remove the correct panel first.
  • Top-load dryers almost always open from the front; front-load dryers usually open from the rear, but your manual confirms which.
  • You need a screwdriver (usually Phillips), a socket wrench or nut driver for the idler pulley bolt, and needle-nose pliers to help thread the new belt.
  • The belt path is the same going in as it was coming out—take a photo of the old belt before you remove it, or trace the path with your finger first.
  • If the drum does not turn after you install the new belt, the idler pulley or drum rollers may also be worn and need replacement.

What you need before you start

Gather a Phillips screwdriver, a socket wrench or nut driver that fits your dryer's idler pulley bolt (usually 1/4 inch), needle-nose pliers, and a flashlight. Unplug the dryer from the wall outlet before you touch anything inside. If your dryer is gas-powered, also turn off the gas valve at the wall.

Order the replacement belt before you open the dryer. Search for your dryer's model number plus "belt" online, and you will find the exact part number within seconds. Belts are not interchangeable between brands or even between some models of the same brand, so buying the wrong one wastes time. Most hardware stores and online retailers stock common belts and ship them in two days, but if your dryer is older or unusual, ordering first prevents you from sitting with an open dryer waiting for a part.

Removing the front or rear panel

Unplug the dryer and let it cool for at least 15 minutes if it has been running. Lay a towel or blanket on the floor in front of the dryer to protect it from scratches when you tip the unit forward or backward.

For a top-load dryer, you remove the front panel. Open the door and look along the top edge of the front panel—you will see two or three screws. Remove them. Then look at the bottom corners of the front panel; there are usually two more screws there. Remove those as well. Gently pull the front panel toward you and set it aside. You should now see the drum, the belt wrapped around it, and the idler pulley underneath.

For a front-load dryer, you remove the rear panel. Tip the dryer backward so the rear panel is accessible (or pull it away from the wall if space allows). Look for screws around the perimeter of the rear panel—usually four to eight depending on the model. Remove all of them. Slide the rear panel off and set it aside. You will see the belt, idler pulley, and motor from this angle.

Taking out the old belt

Before you touch anything, take a photo of the belt path with your phone. The belt loops around the drum, under the idler pulley, and around the motor pulley. If you forget the exact path, the photo saves you 10 minutes of trial and error.

Locate the idler pulley—a wheel-shaped part that sits under the drum and keeps tension on the belt. Use your socket wrench or nut driver to remove the bolt holding it in place. The pulley will spring away from the drum slightly once the bolt is out. This releases the tension on the belt.

Slide the old belt off the drum, then off the motor pulley. If the belt is frayed or broken, it may come apart in pieces—that is normal. Remove any pieces and set them aside. Wipe away any dust or debris from inside the dryer with a dry cloth.

Installing the new belt

Thread the new belt around the drum first, following the path you photographed. The belt should sit in the groove that runs around the drum's circumference. Make sure it is centered and not twisted.

Next, loop the belt under the idler pulley and around the motor pulley. Use your needle-nose pliers to help guide the belt if it is stiff—new belts are often stiffer than worn ones. The belt should sit flat against both pulleys with no twists or folds.

Once the belt is in place, push the idler pulley back toward the drum to restore tension. Insert the bolt through the pulley and tighten it with your socket wrench. Do not over-tighten; snug is enough. The belt should have about 1/2 inch of give when you press on it with your thumb.

Reassembling and testing

Slide the front or rear panel back into place and reinstall all the screws you removed. Tighten them firmly but not so hard that you strip the holes. Plug the dryer back in (and turn the gas back on if it is a gas dryer).

Run the dryer on a short cycle with no clothes inside. Listen for the drum to turn smoothly and the motor to run without grinding or squealing. If the drum does not turn, unplug the dryer, remove the panel again, and check that the belt is seated correctly in the grooves. If it is and the drum still does not turn, the idler pulley or drum rollers may also be worn—those are separate replacements.

If the drum turns and the dryer heats normally, the belt replacement is complete. Run a full cycle with a small load of clothes to confirm everything works as it should.

When the belt breaks again quickly

A belt that snaps within a few weeks usually means something else in the dryer is worn. The idler pulley loses its grip over time, which puts extra strain on the belt. The drum rollers (wheels that support the drum) can wear flat, causing the drum to drag. Either problem will burn through a new belt fast.

If you replace the belt and it fails again, inspect the idler pulley and drum rollers. The idler pulley is straightforward to replace at the same time as the belt—it costs $15 to $30 and takes five extra minutes. Drum rollers are more involved and may be worth having a technician handle, depending on your comfort level and the age of the dryer.

Frequently Asked Questions

Can I replace the belt without removing the entire panel?

No. The belt loops around the drum, under the idler pulley, and around the motor pulley, so you need access to all three parts. You cannot reach them without removing either the front or rear panel. Trying to work through the door opening will damage the drum or door seal.

What if I cannot find the model number?

The model number is on a sticker inside the door frame or on the back of the dryer near the power cord. If the sticker is worn, search your dryer's brand and the year it was made (often printed on the same sticker) plus "belt" online, and you will narrow it down to a few options. Call the manufacturer's customer service line with the year and brand, and they can confirm the correct belt.

How do I know if the idler pulley needs replacing too?

If the new belt spins smoothly and the drum turns without resistance, the idler pulley is fine. If the drum feels hard to turn by hand or the belt slips even after you tighten the pulley bolt, the idler pulley is likely worn and should be replaced. Replacing it at the same time as the belt prevents a second breakdown in a few weeks.

Is it safe to run the dryer while I am learning?

Yes, once the panel is back on and all screws are tight. The dryer is designed to run with the panel removed during service, and running it briefly with no clothes inside lets you hear whether the drum turns and the motor sounds normal. If something is wrong, you will know when ready and can stop it.

What if the belt is twisted after I install it?

Stop and remove it. A twisted belt will wear unevenly and fail fast. Unthread it, straighten it out, and thread it again, making sure it sits flat in the drum groove and against both pulleys. Take your time—this step determines whether the belt lasts a year or three months.