Washing Machine Loud Bang

Introduction

A loud banging noise coming from your washing machine during a wash cycle can be alarming and disruptive. This usually indicates that something is wrong, and ignoring it can lead to further damage or even complete failure of your machine. The banging can happen during spin cycles, when the drum is moving the fastest, or even during the wash cycle. It’s important to address this issue quickly to prevent more costly repairs down the line and avoid a potentially flooded laundry room. We’ll walk you through common causes and simple troubleshooting steps you can take.

Common Causes of washing machine loud bang

There are several reasons why your washing machine might be making a loud banging noise:

Unbalanced Load: Clothes bunched on one side create an uneven weight distribution.
Loose Items: Coins, keys, or other objects trapped between the drum and the outer tub.
Worn Out Drum Bearings: These bearings help the drum rotate smoothly. When worn, they cause excessive noise and vibration.
Suspension Rod Issues: Suspension rods stabilize the drum. Damaged or weak rods can allow the drum to bang against the cabinet.
Damaged Snubber/Damper: Dampers help absorb vibrations during the spin cycle. If broken, the drum can shake violently.
Shipping Bolts Not Removed: These bolts are used to secure the drum during transport and must be removed before use.
Leveling Problems: An unlevel washing machine can rock and bang against the floor during operation.
Loose Motor Mounts: If the motor mounts are loose, the motor will vibrate more intensely and transfer that vibration to the rest of the machine.

Symptoms Checklist

Use this checklist to help pinpoint the exact issue:

Banging noise is loudest during the spin cycle.
The washing machine shakes or vibrates excessively.
You see items trapped in the space between the drum and the outer tub.
The washing machine is not level on the floor.
The banging started recently after moving the washing machine.
You hear a grinding or scraping sound along with the banging.

How to Fix washing machine loud bang Step-by-Step Guide

Follow these steps to troubleshoot the loud banging noise:

Unplug the washing machine from the power outlet for safety.
Check for an unbalanced load: Stop the machine and redistribute the clothes evenly around the drum. Try to avoid washing single heavy items like blankets alone.
Inspect for loose items: Check the drum and the rubber seal around the door for any objects like coins, buttons, or small toys. Remove any you find.
Ensure the washing machine is level: Use a level to check the top of the machine in all directions. Adjust the leveling feet at the bottom of the machine until it is perfectly level.
Check for shipping bolts (if recently moved): If you’ve recently moved the washing machine, make sure the shipping bolts on the back are removed. These are designed to stabilize the drum during transport and must be taken out before use. Refer to your user manual for the correct procedure.
Inspect the suspension rods: Open the top of the washing machine (refer to your manual for instructions). Observe the suspension rods while gently pushing down on the drum. The drum should bounce back smoothly and evenly. If one or more rods seem loose or damaged, they might be the cause.
Check the snubber/damper pads: Located under the wash drum and attached to the base, the snubber is responsible for reducing vibration and noise. If damaged or worn, this might cause a loud bang. Inspect this piece for damage or wear.
Listen closely to the motor: During a test wash (after plugging the machine back in temporarily), listen closely to the motor’s sound. Any unusual whirring, grinding, or clicking could indicate motor issues or loose mounts.
Clean the detergent dispenser: A clogged dispenser can lead to unbalanced washing conditions. Clean it thoroughly according to the manufacturer’s instructions.
Run an empty wash cycle with a washing machine cleaner: This can help remove any build-up or residue that might be contributing to the noise.
Check the water inlet valve screens: The screens on the water inlet valves can become clogged with sediment, restricting water flow and possibly leading to unbalanced loads. Clean these screens.

Fix the Issue Without Buying Parts

Before considering replacement parts, try these free and simple solutions:

Reset the washing machine: Unplug the machine for a few minutes, then plug it back in. This can sometimes reset the internal computer and resolve minor issues.
Clean the washing machine regularly: Run an empty cycle with vinegar or a washing machine cleaner every month to prevent buildup and maintain optimal performance.
Inspect for visible damage: Carefully examine the washing machine for any obvious signs of damage, such as cracks, leaks, or loose connections.

When Replacement Might Be Necessary

If the banging persists after trying these steps, more serious issues may be present. Worn drum bearings or a completely failed motor often necessitate professional repair or replacement. Replacing bearings can cost $200-$500 including labor. A new motor could run $300-$600 including installation. Suspension rods are typically cheaper ($50-$150 installed). If the cost of repair approaches the price of a new washing machine, it might be more economical to consider a replacement.

Safety Warning

Always unplug the washing machine before attempting any repairs.
Be careful when working with water and electricity. Avoid touching any electrical components with wet hands.
If you are not comfortable performing these repairs yourself, contact a qualified appliance repair technician.
Avoid overloading the washing machine, as this can put unnecessary strain on the components and increase the risk of damage.

Tools You May Need

Level
Screwdrivers (Phillips and flathead)
Pliers
Wrench
Gloves
Flashlight

FAQ

Here are some frequently asked questions about washing machine banging noises:

Q: Why is my washing machine banging only during the spin cycle? A: This usually indicates an unbalanced load or worn suspension components causing excessive vibration at high speeds.
Q: Can I still use my washing machine if it’s making a banging noise? A: It’s best to avoid using it until you’ve identified and addressed the cause of the noise to prevent further damage.
Q: How do I know if the drum bearings are bad? A: If you hear a grinding or rumbling sound during the spin cycle, especially with an empty drum, the bearings may be worn.
Q: What if I can’t find the shipping bolts on my washing machine? A: Check the back of the machine for plastic caps covering the bolt holes. If you still can’t find them, consult your user manual.

Conclusion

A loud banging washing machine can be a headache, but by following these troubleshooting steps, you can often identify and resolve the issue yourself. Start with the simple fixes like balancing the load and checking for loose items. If the problem persists, consider inspecting the suspension components and leveling the machine. Remember to prioritize safety and don’t hesitate to call a professional if you’re uncomfortable performing any of these repairs. With a little effort, you can get your washing machine back to working quietly and efficiently.