LG Dryer Making Loud Noise When Running (Troubleshooting Guide)

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Quick answer
Confirm the symptom
Tools and prep
Step-by-step troubleshooting
Common causes table
Parts matching
When to call a pro
FAQ
Related guides

Quick answer

If your LG dryer is making a loud noise when running, first unplug it and check for loose objects in the drum. If the noise continues, inspect the drum rollers or belt for wear and replace as needed.

Confirm the symptom

Dryer is louder than usual during operation
Noise occurs during the drying cycle
Loud thumping or grinding sound

Tools and prep

Screwdrivers (flathead and Phillips)
Socket set
Work gloves
Flashlight
LG dryer manual
New drum belt or rollers if needed
Unplug the dryer before starting

Step-by-step troubleshooting

Unplug the Dryer
Do: Turn off the dryer and unplug it from the power outlet.
Observe: Dryer is completely powered off.
Means: Ensures safety before starting any repair.
Next: Check for loose objects
Check for Loose Objects
Do: Open the dryer door and inspect the drum for any loose or foreign objects.
Observe: Any loose items causing the noise are found.
Means: Objects like coins or small items can cause loud noises.
Next: Inspect drum rollers
Inspect Drum Rollers
Do: Remove the front panel and check the drum rollers for wear or damage.
Observe: Worn or damaged rollers are identified.
Means: Worn rollers can cause loud noises during operation.
Next: Replace drum rollers
Replace Drum Rollers
Do: Remove the old rollers and install new ones according to the manual.
Observe: New rollers are properly installed.
Means: Replacing rollers can eliminate the noise.
Next: Inspect drum belt
Inspect Drum Belt
Do: Check the drum belt for signs of wear, cracks, or looseness.
Observe: Damaged or loose belt is identified.
Means: A worn belt can cause loud noises and poor performance.
Next: Replace drum belt
Replace Drum Belt
Do: Remove the old belt and install a new one following the manual instructions.
Observe: Belt is properly tensioned and installed.
Means: A new belt can resolve the noise issue.
Next: Test the Dryer
Test the Dryer
Do: Plug the dryer back in and run a test cycle to check if the noise is resolved.
Observe: Dryer operates quietly.
Means: The repair was successful.
Next: Complete

Common causes

Cause	Likelihood	Difficulty	Part often needed
Worn Drum Rollers Rollers wear out over time and can cause loud noises.	Common	Medium	Drum Rollers
Loose or Foreign Objects Items like coins or lint can get stuck and create noise.	Common	Easy	None
Damaged Drum Belt A worn or loose belt can cause loud noises during operation.	Common	Medium	Drum Belt
Worn Idler Pulley The idler pulley can wear out and cause a grinding noise.	Sometimes	Medium	Idler Pulley
Faulty Blower Wheel A damaged blower wheel can cause loud noises.	Rare	Hard	Blower Wheel
Misaligned Drum A misaligned drum can cause unusual noises.	Rare	Hard	Drum Alignment Kit

Parts matching

Common parts needed for an LG dryer making loud noise when running:

Drum Rollers
Drum Belt
Idler Pulley
Blower Wheel
Drum Alignment Kit

Ensure you purchase OEM parts for compatibility and performance.

When to call a professional

Noise persists after replacing rollers and belt
You're unable to access internal components safely
The dryer emits a burning smell or sparks
You're unsure about the diagnosis or repair steps
The dryer is under warranty and you don't want to void it

FAQ

Why is my LG dryer making a loud thumping noise?

A loud thumping noise is often caused by worn drum rollers or a loose drum. Inspect and replace rollers if necessary.

Can a loose belt cause a loud noise in my LG dryer?

Yes, a loose or damaged belt can cause a loud noise. Check the belt for wear and replace it if needed.

What should I do if I find a foreign object in the drum?

Remove the object carefully and run a test cycle to ensure the noise is gone.

Is it safe to replace the drum belt myself?

Yes, as long as you follow the manual instructions and ensure the dryer is unplugged before starting.