Dryer Belt Broke on Drum – What Part Fixes This Problem?
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Understanding the Problem
When the dryer belt breaks the drum will not rotate even though the motor may run (or try to run). You may hear the motor hum, a loud slap or thump when the belt snaps, or notice the drum spinning freely by hand because the belt is no longer holding it. A broken belt is a common wear item — belts stretch, crack, or wear through over time, or they fail early if an idler, roller, or motor seizes and overloads the belt. Repairing a broken belt usually involves replacing the belt and inspecting related components that caused the failure. Common secondary failures are worn drum rollers, a seized idler pulley, misaligned drum guides, or a failing motor. Replacing the belt without checking these parts often results in a second failure soon after repair, so a full inspection is recommended before reassembly.
Common Symptoms
Drum won't turn, motor hums or runs but drum is stationary, loud thump or snap during operation, visible snapped or missing belt under the drum.
Common Causes
- Normal wear and tear (belt material degrades and snaps)
- Seized idler pulley or worn drum rollers that overload and cut the belt
- Drum misalignment or foreign objects causing excessive belt stress
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
Confirm the belt is the problem by unplugging the dryer, manually turning the drum — if the drum spins freely and you see a snapped or missing belt under the drum, the belt is the culprit. Also spin idler pulleys and drum rollers by hand to check for binding or roughness.
Frequently Asked Questions
Can I run the dryer with a broken belt?
No. Running the dryer with a broken belt can cause the motor to run unloaded (which may overheat or damage it), or cause loose belt pieces to get trapped and damage other components. Unplug the dryer and inspect/replace the belt before using it again.
Is replacing a dryer belt a DIY job?
Yes, many owners can replace a dryer belt themselves with basic tools (screwdriver, nut driver) and 30–90 minutes of time. Always unplug power first, consult your model’s service manual or a reliable repair guide, and inspect idler pulley, rollers, and drum bearings while the dryer is open. If the motor or pulleys are seized or you’re not comfortable disassembling the cabinet, hire a technician.
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