How to Fix Dryer Making Noise (Troubleshooting Guide)

On this page

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

Turn off the dryer and unplug it. Check for loose or worn drum rollers, belts, or foreign objects. Replace damaged parts and ensure proper alignment.

Confirm the symptom

Unusual grinding, squeaking, or thumping noise during operation
Noise increases when the dryer is running
You hear the noise from the back or bottom of the dryer

Tools and prep

Screwdrivers (flathead and Phillips)
Adjustable wrench
Flashlight
Work gloves
Replacement parts if needed
Owner’s manual for your dryer model

Step-by-step troubleshooting

Unplug the Dryer
Do: Turn off the dryer and unplug it from the electrical outlet.
Observe: Dryer is powered off and safe to work on.
Means: Prevents electrical hazards.
Next: Step 2
Inspect the Drum Rollers
Do: Remove the front or top panel to access the drum rollers. Check for looseness, wear, or damage.
Observe: Worn or loose rollers may cause grinding or squeaking noises.
Means: Rollers support the drum and can wear out over time.
Next: Step 3
Check the Belt
Do: Locate the dryer belt and inspect it for cracks, fraying, or looseness.
Observe: A loose or damaged belt can cause squealing or thumping sounds.
Means: The belt drives the drum and can wear out.
Next: Step 4
Look for Foreign Objects
Do: Check inside the drum and around the rollers for any foreign objects like coins, lint, or small items.
Observe: Objects trapped in the drum can cause unusual noises.
Means: Foreign objects can damage internal components.
Next: Step 5
Examine the Idler Pulley
Do: Check the idler pulley for wobbling or dry bearings.
Observe: A faulty idler pulley can cause squeaking or humming noises.
Means: The idler pulley maintains tension on the belt.
Next: Step 6
Test the Blower Wheel
Do: Inspect the blower wheel for damage or blockages.
Observe: A damaged blower wheel can cause loud noises during operation.
Means: The blower wheel circulates air and can become unbalanced.
Next: Step 7
Reassemble and Test
Do: Reattach any panels you removed and plug in the dryer. Run a short cycle to test for noise.
Observe: The noise should be resolved if the issue was addressed.
Means: Confirms the repair was successful.
Next: Finish

Common causes

Cause	Likelihood	Difficulty	Part often needed
Worn Drum Rollers Drum rollers support the dryer drum and can wear out over time, causing grinding or squeaking noises.	Common	Medium	Drum Rollers
Loose or Damaged Belt The belt drives the drum and can become loose or cracked, leading to squealing or thumping sounds.	Common	Medium	Dryer Belt
Foreign Objects in the Drum Coins, lint, or small items can get trapped in the drum or rollers, causing unusual noises.	Sometimes	Easy	None
Faulty Idler Pulley The idler pulley maintains tension on the belt and can develop wobbling or dry bearings, causing squeaking.	Sometimes	Medium	Idler Pulley
Damaged Blower Wheel A damaged or unbalanced blower wheel can cause loud noises during operation.	Rare	Hard	Blower Wheel
Misaligned Drum A misaligned drum can rub against the cabinet, causing a scraping or thumping noise.	Sometimes	Medium	Drum Alignment Kit

Parts matching

Match your dryer’s symptoms to the most likely part:

Grinding noise: Drum Rollers
Squealing or squeaking: Dryer Belt or Idler Pulley
Thumping sound: Loose Belt or Foreign Object
Loud humming: Blower Wheel or Idler Pulley

Consult your dryer’s manual for specific part numbers and compatibility.

When to call a professional

Noise persists after replacing all suspected parts
You cannot access internal components without professional tools
The dryer emits a burning smell or sparks
The noise is accompanied by a malfunctioning drum or motor
You are unsure about electrical connections or part compatibility

FAQ

Why is my dryer making a loud thumping noise?

A thumping noise is often caused by a loose or damaged belt or a foreign object trapped in the drum. Check the belt tension and remove any debris.

Can a noisy dryer damage other parts?

Yes, a noisy dryer can indicate worn components that may cause further damage if not addressed. Repair or replace faulty parts promptly.

How often should I replace dryer rollers and belts?

Drum rollers and belts typically last 8–10 years, but this can vary based on usage. Replace them if they show signs of wear or damage.

Is it safe to use my dryer while it’s making noise?

It is not recommended to use a noisy dryer until the issue is resolved, as it can lead to further damage or safety hazards.