Why Does a Washing Machine Smell Bad?

It can be frustrating when your washing machine smells bad. A washing machine is supposed to clean your clothes, not make them smell worse! If you notice a bad odor coming from your machine, there are several reasons this could be happening. Below, we explore the most common causes and provide simple solutions to help you fix the problem.

1. Mold and Mildew Growth

Reason:
One of the most common reasons a washing machine smells bad is mold and mildew growth. This happens when moisture is trapped inside the machine, especially in front-loading washers. The rubber door seal, detergent drawer, and drum can all harbor mold.

Solution:
To prevent this, regularly clean the door seal and detergent drawer. After each wash, leave the door open to allow the machine to air out. Running a hot water cycle with a bit of bleach or a specialized washing machine cleaner can also help eliminate mold and mildew.

2. Dirty Detergent Drawer

Reason:
Over time, detergent and fabric softener can build up in the detergent drawer. This buildup can become a breeding ground for bacteria, which can cause the washing machine to smell bad.

Solution:
Remove the detergent drawer and wash it thoroughly with warm, soapy water. Make sure to clean any residue left inside the compartment as well. Regular cleaning will prevent the buildup and keep your washing machine smelling fresh.

3. Clogged Drain Pump Filter

Reason:
The drain pump filter catches debris and lint during the washing process. If it becomes clogged, it can cause the washing machine to smell bad because the water isn’t draining properly, leaving a musty smell behind.

Solution:
Check and clean the drain pump filter regularly. The filter is usually located behind a small door at the bottom front of the machine. Cleaning it out can improve drainage and eliminate bad odors.

4. Leftover Detergent and Softener

Reason:
Using too much detergent or softener can leave residue inside the washing machine. This residue can mix with dirt and sweat from clothes, leading to a bad smell over time.

Solution:
Use the correct amount of detergent and softener as recommended by the manufacturer. Occasionally run an empty cycle with hot water and a cup of white vinegar or baking soda to clean out any buildup.

5. Blocked or Dirty Drain Hose

Reason:
A blocked or dirty drain hose can prevent water from draining properly, causing the washing machine to smell bad. The stagnant water left in the hose can become a breeding ground for bacteria.

Solution:
Inspect the drain hose for any blockages or kinks. If necessary, remove the hose and rinse it out thoroughly. Make sure the hose is properly connected and that water can flow freely.

6. Standing Water in the Drum

Reason:
Sometimes, a small amount of water can be left in the drum after a wash cycle. If this water sits for too long, it can cause a bad smell.

Solution:
After each wash, make sure to leave the washing machine door open to allow any leftover water to evaporate. Regularly wiping down the drum with a clean, dry cloth can also help.

7. Dirty or Old Washing Machine

Reason:
If your washing machine is old or hasn’t been cleaned in a while, it may start to develop a bad smell. Dirt, detergent, and fabric softener can build up inside the machine over time.

Solution:
Clean your washing machine regularly. Run an empty hot water cycle with a cup of bleach or a washing machine cleaner at least once a month. This will help remove any built-up grime and keep the machine smelling fresh.

8. Using Cold Water Only

Reason:
Washing clothes in cold water is energy-efficient, but it can also lead to detergent residue and bacteria buildup, which can make the washing machine smell bad.

Solution:
To prevent this, occasionally run a hot water cycle. This will help dissolve any detergent residue and kill bacteria that may be causing the smell.

By addressing these common causes, you can prevent your washing machine from smelling bad and ensure that your laundry comes out fresh and clean every time. Regular maintenance and proper cleaning habits will keep your washing machine in top condition, free from bad odors