Dryer Belt Broke on Drum – How to Fix a Broken Drum Belt
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Understanding the Problem
If your dryer drum spins freely by hand but doesn't turn when you start a cycle, the dryer belt often has snapped or slipped off the drum. The belt wraps around the drum and connects to the motor pulley and idler/tensioner; when it fails the motor may run without turning the drum, or the dryer won't run at all depending on the model. A broken belt can happen suddenly (you may hear a loud snap) or gradually (belt becomes glazed and slips). Inspecting the drum by removing the front or top access panel will reveal a visibly broken, frayed, or missing belt. Replacing the belt is a common DIY repair on most models; while you're in there it's a good time to check the idler pulley, drum rollers, and motor for wear that may have contributed to the failure.
Common Symptoms
Drum won't turn but motor runs, loud snap or thump when failure occurred, burning rubber smell, or drum spins intermittently/slips.
Common Causes
- Aged or worn belt that snapped from tension and heat
- Excessive drum resistance from worn rollers or seized idler pulley causing belt overload
- Incorrect belt installation or belt that slipped off the pulley/drum
Popular Parts That Fix This Problem
These are the most common replacement parts that fix this problem. When you're ready to order, click below to find the right part at PartsDiscount.com — just search by your appliance model number for a guaranteed fit.
Helpful Repair Tip
With the dryer unplugged, open the access panel and try to rotate the drum by hand. If the drum turns freely and you see no belt under tension, the belt is likely broken or off the drum.
Frequently Asked Questions
How much does it cost to replace a dryer belt?
Parts alone typically range from $10–$40 depending on make and model. If you hire a technician, expect labor to add $75–$200 depending on travel, hourly rate, and complexity. DIY replacement is straightforward on most machines and can save labor costs.
Can I run the dryer with a broken belt?
No. With a broken belt the drum will not turn properly; running the dryer this way wastes electricity and risks further damage (motor overheating, idler/motor bearing damage). Unplug the dryer and replace the belt before regular use.
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