Why Your Dryer Is Making a Loud Noise: The 6 Common Reasons

My Dryer Is Making A Loud Noise

It can be alarming when your dryer suddenly starts making unusual noises. While some sounds are normal, loud or abnormal noises often indicate a problem. Addressing noises right away can help prevent further damage and costly repairs. This guide covers common causes of noisy dryers, how to diagnose the issue, DIY fixes, and when to call a professional.

Common Causes of Noisy Dryers

Dryers rely on multiple moving parts that can wear out over time and begin to cause noise. Being familiar with the most likely culprits can help you pinpoint the problem. Here are some of the most common reasons your dryer is making loud noises:

Worn Drum Rollers and Axles

The drum rollers and axles are some of the most prone to wear. Located underneath the dryer drum, the rollers help rotate the drum smoothly. After years of use, these plastic or nylon rollers can flatten out or deteriorate. As they wear down, the drum loses support and begins to rub against other components. This causes loud squeaking, squealing or thumping noises. The metal axles supporting the rollers can also bend or break over time. Replacing worn rollers or axles will often fix the noise issue.

Damaged Drive Belt

A vital component for rotating the drum is the drive belt. This long rubber belt loops around the drum, idler pulley and drive motor. As it stretches and wears out, the belt can begin to slip. This causes a loud slapping or thumping noise as the belt makes contact with the drum but fails to turn it. Cracks or fraying are signs that the belt needs replacement.

Faulty Idler Pulley

The idler pulley helps maintain tension on the drive belt to prevent slippage. Friction causes this small plastic wheel to gradually wear down. A failing idler pulley will initially make a high-pitched squeaking noise as the dryer starts. Eventually it can sound like scraping or thumping as the pulley loses its grip on the belt.

Clogged Blower Wheel

The blower wheel is responsible for moving airflow through the dryer to expel moisture. When running, this plastic fan can pick up lint and debris. A blocked blower wheel can lead to a loud rumbling or thumping sound as air flow becomes restricted. The wheel may also become loose and unbalanced over time, causing noise.

Worn Drum Glides

Located at the front of the dryer, nylon drum glides help support and stabilize the drum. As these plastic pieces degrade, the contact between the glides and the drum becomes uneven. This results in a loud grinding noise or squeal as the drum rotates. Even small signs of wear on glides warrants replacement.

Worn Drum Bearing

At the rear of the drum you’ll find a drum bearing that also helps support rotation. This cylindrical plastic or metal bearing fits around a shaft attached to the drum. Years of friction causes wear and tear over time. A failing drum bearing will make squealing, grinding or rattling noises as the drum shifts unevenly in the compartment.

Diagnosing the Problem

Pinpointing which part is causing the noise is essential before attempting repair. Start by listening closely as the dryer runs to identify type of sound. Squeaking and squealing noises typically come from rollers, pulleys or bearings. Loud thumping or rumbling noises usually indicate problems with the belt or blower wheel.

Gaining visual access to internal components is key. This may require unplugging the dryer, removing panels and even pulling the drum out slightly. With the drum removed, you can manually spin rollers, pulleys and the blower wheel. Visually inspect for debris, wear or damage. Turning components by hand will help isolate the source of noise.

Examining the drive belt requires removing the lower front panel. Look for cracked rubber, missing segments or frayed edges. Checking drum glides means peering inside with a flashlight for signs of wear or deterioration. Some disassembly is straightforward while gaining access to the drum bearing can be more challenging.

Repairing a Noisy Dryer

Simple fixes involve clearing lint or debris from the blower wheel or replacing the drive belt. With basic tools and caution, you may also be able to replace worn rollers, pulleys and glides. Refer to your model's service manual. Adding lubricant to some components can temporarily quiet a dryer, but doesn't fix underlying wear.

Replacing rear drum bearings or motor components often requires professional expertise. The risks of electrical shock and gas leaks also makes it advisable to call a technician for anything beyond basic exterior panel removal. Always disconnect power before any disassembly.

When repairs involve unfamiliar parts or look complicated, don't hesitate to hire a professional. They have specialized tools and knowledge to diagnose and fix noise issues efficiently. Doing repairs incorrectly can result in a bigger problem. Consider if paying a technician to fix it right the first time is worth avoiding frustrations.

Preventing Noisy Dryer Problems

To help avoid noisy dryer repairs down the road:

  • Clean the lint screen before every load to maintain air flow;
  • Use a dryer vent brush yearly to remove lint in ducts;
  • Avoid overloading the drum which strains components;
  • Load evenly and securely to prevent imbalance;
  • Clean the drum interior periodically to remove debris;
  • Inspect rollers, belt and pulleys through the front panel for wear yearly;
  • Have a technician do a full maintenance check every 3-5 years.

Conclusion

Unusual dryer noises should be addressed promptly before small issues lead to larger breakdowns. Start by diagnosing whether the noise is due to worn rollers, axles, belt, pulley, blower wheel or other components. Basic cleaning and repairs can sometimes be performed with caution. Reaching internal parts often requires professional expertise. With regular preventative maintenance, you can help keep your dryer humming along smoothly for years. But at the first loud grinding or rattling sounds, be prepared to act fast or call in reinforcements.

For reliable dryer repair service, contact the experts at RC Appliance Repair. Our experienced technicians have the skills and knowledge to quickly diagnose and fix any noisy dryer issue. We offer same-day service in most cases and stand behind our work with a satisfaction guarantee. Don't struggle with the hassle and hazards of DIY dryer repair - let our professionals get your appliance back to running quietly again. Trust RC Appliance Repair for quality dryer noise repair service.

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