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Dryer motor runs and heat is produced but the drum stays completely still — the belt has snapped and no longer transmits motor rotation to the drum.
A worn, glazed or partially frayed belt slips on the motor pulley, generating loud squealing, rhythmic thumping or slapping sounds during operation.
A stretched or cracked belt loses tension mid-cycle, causing the drum to stop tumbling while the timer and heating element continue to run.
A slipping belt causes the drum to spin intermittently or too slowly, reducing tumbling efficiency and dramatically increasing dry time.
💡 Pro Tip: How to Tell If Your Drum Belt Is Broken
Your part is likely the culprit if you notice any of the following:
⚠️ Dryer runs and heats but the drum does not rotate — motor hums but clothes stay still
⚠️ Loud squealing, thumping or slapping noise when the dryer starts or runs
⚠️ You can see or feel a broken, frayed or glazed belt lying loose inside the drum cavity
⚠️ Dryer stops tumbling mid-cycle while heat and timer continue to operate
Quick check: Open the dryer door, reach in and try to spin the drum by hand. If it spins with zero resistance (no motor load), the belt is almost certainly snapped. While you have it apart, inspect the idler pulley and drum support rollers — these components wear together and are best replaced as a set.
📦 What's in the Box
✅ 1× Dryer Drum Drive Belt — 79-1/8" L × 1/4" W, 4-Rib, Black Rubber (replaces 3394652 / AP2946614 / 345675)
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Disclaimer: Compatibility information, part numbers, and model fitment data on this page are sourced from manufacturer databases and third-party references. While we strive for accuracy, please verify your appliance model number before ordering. Heima is not responsible for errors or omissions in compatibility listings.
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