Quick Answer
Squealing usually means a worn drum belt or bearing, thumping points to an unbalanced or damaged drum support, rattling is often loose change or buttons, and grinding indicates worn motor or drum bearings — all should be checked before continued use.
A dryer that suddenly becomes much louder than usual is a clear signal that a component is wearing out, even before any other symptoms appear.
Dryers don't fail silently — almost every mechanical fault produces a distinct sound before it becomes a complete breakdown. Learning to recognise each sound helps you act before a simple repair turns into a bigger one.
What Each Sound Means
- Squealing — usually a worn drive belt or glide bearing
- Thumping — an unbalanced load, or a worn drum support roller
- Rattling — often loose coins, buttons or zips, but can be a loose internal panel
- Grinding — worn motor bearings or drum bearings, more serious if persistent
- Clicking — a worn idler pulley or belt tensioner
- Humming with no drum movement — motor running but belt has failed
How Urgent Is Each Noise
Rattling from loose items is the least urgent — simply check pockets before washing. Squealing and grinding noises should be addressed promptly, as continuing to run the dryer can cause a worn part to fail completely and potentially damage other components.
What Not to Ignore
A sudden, sharp noise followed by the drum stopping usually means a belt has snapped — stop using the dryer immediately rather than continuing to run it, as this can cause further damage to the motor.
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Frequently Asked Questions
Why does my dryer squeal when it's running?▼
Squealing is most commonly caused by a worn drive belt or glide bearing rubbing against the drum.
Is a thumping dryer dangerous to keep using?▼
It's not immediately dangerous, but it usually indicates a worn drum support that will worsen over time if not addressed.
What does grinding from my dryer mean?▼
Grinding usually points to worn motor or drum bearings — this should be checked soon to avoid further damage to the unit.
Should I stop using my dryer if it makes a loud noise?▼
If the noise is new, sudden, or accompanied by the drum stopping or smells, stop using it and have it checked before running it again.
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Dishank Patel
Lead Technician & Founder · DP Electric Melbourne
Dishank Patel has over 10 years of hands-on experience repairing household appliances across Melbourne's eastern suburbs. He holds all required Victorian electrical and gas licensing and has personally repaired thousands of appliances across brands including Bosch, Miele, LG, Samsung, and Fisher & Paykel.