Phillips screwdriver
Use it for: Removes common cabinet and panel screws.
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How to Replace a Dryer Drum Belt
To replace a dryer drum belt, unplug the dryer, open the cabinet, remove the drum, route the new belt around the drum and motor pulley system, then reassemble and test the dryer under load.
A worn or broken dryer drum belt can leave the drum unable to turn, cause a burning rubber smell, or make the dryer run without tumbling clothes. This repair is manageable for many homeowners if you work carefully, keep track of screws, and confirm the belt path before closing the dryer back up.
Before you start: Match the belt profile, length, and dryer compatibility before ordering.
Safety first
- Unplug the dryer before opening any panel or reaching inside the cabinet.
- Wear gloves around sheet-metal edges to avoid cuts.
- Support the drum during removal and reinstallation so it does not drop and bend nearby parts.
- If your dryer is gas, avoid disturbing the gas connection unless moving the appliance requires it. If you smell gas, stop and address that first.
Tools you may need
Nut driver set
Use it for: Removes hex-head screws used on many dryer panels and brackets.
Shop nut driver sets
Putty knife
Use it for: Releases spring clips on some top panels without damaging the finish.
Shop putty knives
Work gloves
Use it for: Protects your hands from sharp sheet-metal edges inside the cabinet.
Shop work gloves
Flashlight
Use it for: Helps you see the belt path, idler pulley, and motor pulley clearly.
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Step-by-step fix
Step 1: Confirm the belt is the likely problem
- Unplug the dryer before touching any panels or internal parts.
- Open the door and try turning the drum by hand. A drum that spins very freely with little resistance often points to a broken belt.
- Think about the symptom: the motor runs but the drum does not turn, the dryer stopped tumbling suddenly, or you noticed a hot rubber smell before it quit tumbling.
- If you can access the belt from a small inspection area or after removing a top or front panel, look for a snapped, frayed, glazed, or badly stretched belt.
If it works: You have a strong reason to replace the dryer drum belt instead of guessing.
If it doesn’t: If the drum is hard to turn, scraping badly, or the motor only hums, another failed part may also be involved. Inspect the support rollers, idler pulley, and drum before ordering parts.
Stop if:
- You smell burned wiring instead of rubber.
- You find melted insulation, scorched terminals, or damaged wiring inside the dryer.
- The drum support, bulkhead, or cabinet is cracked or badly bent.
Step 2: Open the dryer and remove the drum
- Pull the dryer away from the wall enough to work comfortably.
- Remove the lint screen if it sits in the top panel, then remove any screws that secure the top or front panel in your dryer's layout.
- Use a putty knife to release spring clips if the top is clip-mounted rather than screwed down.
- Lift or remove the top panel, then remove the front panel or front bulkhead as needed to free the drum.
- Support the drum with one hand while slipping the old belt off the motor and idler pulley underneath.
- Lift the drum out of the cabinet and set it on a protected surface.
If it works: The drum is out and you can fully access the old belt and belt path.
If it doesn’t: If the drum will not come out, look again for hidden screws near the lint housing, lower front panel, or door opening.
Stop if:
- The cabinet edge is too sharp to work around safely without gloves.
- You find a seized pulley, broken roller shaft, or other damaged support part that would keep a new belt from lasting.
Step 3: Remove the old belt and prep the new one
- Slide the old belt off the drum and compare it to the replacement.
- Check that the new belt matches the old one closely in width, rib pattern, and overall length.
- Wipe built-up lint and rubber dust off the drum, motor area, and idler pulley area.
- Find the wear mark on the drum where the old belt rode. That is usually the right place to install the new belt.
- Wrap the new belt around the drum with the ribbed or grooved side facing the drum if your old belt was installed that way.
If it works: The new belt fits the drum correctly and the cabinet is clean enough for reassembly.
If it doesn’t: If the new belt is clearly too loose, too short, or the profile does not match, stop and get the correct replacement before reassembling.
Stop if:
- The replacement belt does not match the original well enough to install confidently.
- The drum surface is cracked or damaged where the belt rides.
Step 4: Reinstall the drum and route the belt
- Set the drum back into the cabinet and rest its rear edge on the rear support rollers or bearing surface.
- Keep the belt positioned in its wear track around the drum.
- Reach under the drum and route the belt through the idler pulley and around the motor pulley in the same general path the old belt used.
- Apply tension with the idler pulley so the belt sits snugly around the drum and pulley system.
- Turn the drum by hand several full rotations to help the belt center itself and to confirm the belt tracks smoothly without twisting.
If it works: The belt is tensioned, aligned, and the drum turns by hand with steady resistance.
If it doesn’t: If the belt walks off the drum, twists, or slips loose, remove it and reroute it before closing the cabinet.
Stop if:
- The idler pulley does not move freely or cannot hold belt tension.
- The motor pulley is loose, damaged, or cutting into the belt.
Step 5: Reassemble the cabinet
- Reinstall the front bulkhead or front panel while supporting the drum so it stays seated on its supports.
- Reconnect any door switch connector you unplugged during disassembly.
- Lower or reinstall the top panel and secure all screws or clips.
- Reinstall the lint screen and make sure no tools or loose screws are left inside the dryer.
- Move the dryer back into place carefully without crushing the vent hose or power cord.
If it works: The dryer is fully reassembled and ready for a test run.
If it doesn’t: If a panel will not sit flush, reopen the dryer and check that the drum is seated correctly and the front bulkhead is aligned.
Stop if:
- A wire connector will not reconnect securely.
- A panel cannot be secured because a mounting tab or support is broken.
Step 6: Test the repair in real use
- Plug the dryer back in.
- Run the dryer empty for a few minutes and watch for normal drum rotation and listen for smooth operation.
- Stop the dryer and check for any rubber smell, scraping, or thumping that was not there before.
- Dry a small load of damp clothes and confirm the drum keeps turning through a full heating cycle.
- Check again at the end of the cycle that the belt stayed in place and the dryer tumbles normally under load.
If it works: The dryer tumbles normally, the belt holds tension, and the repair works during an actual drying cycle.
If it doesn’t: If the dryer still will not tumble or makes new noises, inspect the idler pulley, drum rollers, motor pulley, and drum supports for a second failed part.
Stop if:
- The new belt starts smoking, fraying, or walking off the drum.
- The dryer makes a strong burning electrical smell.
- The drum binds, scrapes heavily, or stops turning during the test load.
Replacement Parts
Find a dryer drum belt on Amazon
Match the belt profile, length, and dryer compatibility before ordering.
As an Amazon Associate I earn from qualifying purchases. Repair Riot may earn a commission at no extra cost to you.
Verify the repair
- The drum turns by hand with the dryer unplugged and feels evenly tensioned.
- The dryer runs with the drum rotating normally and no belt squeal or rubber smell.
- A small load dries normally without the belt slipping or coming off.
- No panels are loose, and the lint screen and door switch work as expected.
FAQ
What are the signs of a bad dryer drum belt?
Common signs are a dryer that runs but does not tumble, a drum that spins too freely by hand, sudden loss of tumbling, or a hot rubber smell from a slipping belt.
Can I replace a dryer drum belt myself?
Many homeowners can handle it if they are comfortable removing panels and working around sharp metal edges. The main challenge is opening the cabinet and routing the belt correctly around the idler and motor pulley.
Should I replace anything else while I have the dryer apart?
It is smart to inspect the idler pulley, drum rollers, and support surfaces. If any of those parts are seized, badly worn, or noisy, a new belt may fail early unless the root cause is fixed.
Why did the old belt break?
Age and normal wear are common, but belts also fail faster when an idler pulley binds, drum rollers drag, the drum is overloaded often, or the belt has been slipping from poor alignment.
How tight should a dryer drum belt be?
It should be snug once routed through the idler pulley, with enough tension to turn the drum without slipping. It should not be twisted, hanging loose, or riding outside its normal wear track.