Dryer Making Very Loud Noise (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

First, unplug the dryer to ensure safety. Check for any foreign objects in the drum or vents. If the noise persists, inspect the drum rollers, idler pulley, or blower wheel. Replace any worn-out parts to resolve the issue.

Confirm the symptom

Dryer makes loud rumbling, thumping, or screeching sounds during operation.
Noise occurs consistently during the drying cycle.
Noise is not present when the dryer is off.

Tools and prep

Screwdriver (Phillips and flathead)
Pliers
Socket wrench set
Work gloves
Flashlight
New dryer parts (if needed)
Unplug the dryer from the power source before starting any work.
Clear the area around the dryer for easy access.

Step-by-step troubleshooting

Inspect the Drum
Do: Open the dryer door and visually inspect the drum for any foreign objects.
Observe: Check for coins, buttons, or other items that may have fallen into the drum.
Means: Remove any found objects.
Next: If the noise persists, proceed to the next step.
Check the Drum Rollers
Do: Unplug the dryer and access the drum rollers, usually located at the rear of the dryer.
Observe: Look for worn-out or damaged rollers.
Means: Replace any damaged rollers with new ones.
Next: If the rollers are fine, move on to the next step.
Inspect the Idler Pulley
Do: Locate the idler pulley, which is usually near the motor.
Observe: Check for any signs of wear or damage.
Means: Replace the idler pulley if necessary.
Next: If the idler pulley is in good condition, proceed to the next step.
Examine the Blower Wheel
Do: Access the blower wheel, typically found near the heating element.
Observe: Look for any obstructions or damage.
Means: Clean or replace the blower wheel as needed.
Next: If the blower wheel is clear, move on to the next step.
Check the Drive Belt
Do: Inspect the drive belt for any signs of wear or damage.
Observe: Look for cracks, fraying, or excessive wear.
Means: Replace the drive belt if it is damaged.
Next: If the drive belt is fine, proceed to the next step.
Inspect the Motor
Do: Check the motor for any unusual noises or signs of wear.
Observe: Listen for any grinding or humming sounds.
Means: Replace the motor if it is faulty.
Next: If the motor is working properly, consider other potential issues.
Check the Mounting Screws
Do: Ensure all mounting screws are securely tightened.
Observe: Look for any loose or missing screws.
Means: Tighten or replace any loose or missing screws.
Next: If all screws are secure, the issue may be more complex.

Common causes

Cause	Likelihood	Difficulty	Part often needed
Foreign Objects in Drum Items like coins or buttons can cause loud noises.	Common	Easy	None
Worn Drum Rollers Rollers support the drum and can wear out over time.	Common	Easy–Medium	Drum rollers
Damaged Idler Pulley The pulley can wear out, causing loud noises.	Sometimes	Medium	Idler pulley
Obstructed Blower Wheel Lint or debris can block the blower wheel, causing noise.	Sometimes	Medium	Blower wheel
Worn Drive Belt A damaged belt can cause loud, unusual noises.	Sometimes	Easy–Medium	Drive belt
Faulty Motor A failing motor can produce loud, grinding sounds.	Rare	Hard	Motor
Loose Mounting Screws Loose screws can cause rattling and vibrating noises.	Sometimes	Easy	Screws

Parts matching

Ensure you have the correct replacement parts before starting the repair.

Drum rollers
Idler pulley
Blower wheel
Drive belt
Motor
Mounting screws

Always check the dryer's model number to ensure you get the correct parts.

When to call a professional

The dryer still makes loud noises after checking and replacing parts.
You are not comfortable performing the repairs yourself.
The dryer is under warranty.
There are signs of electrical issues, such as sparks or burning smells.
The dryer is not functioning at all.

FAQ

Why is my dryer making a loud noise?

Loud noises in a dryer can be caused by foreign objects in the drum, worn-out parts like drum rollers or the idler pulley, or a faulty motor.

How do I know if the drum rollers are worn out?

Worn-out drum rollers will often make a loud rumbling or thumping noise during the drying cycle. Inspect them for signs of wear or damage.

Can I fix a loud dryer myself?

Many issues causing loud noises in a dryer can be fixed by homeowners with basic tools and some knowledge. However, if you are unsure, it's best to call a professional.