Reasons To NOT Wash Your Car Underneath
Written by Beatriz Berbet

2 min read • Published July 27, 22

While your car may look pristine, the undercarriage is where all the dirt and grime can collect. In this article are ten reasons you should NOT wash your car’s undercarriage underneath – unless you want to fall victim to a costly vehicle malfunction!

10 Reasons Why You Should NOT Wash Your Car Underneath

1. It Can Damage Your Car

2. It Can Cause Water Spots

3. It Can Ruin Your Paint

4. It Can Cause Rust

5. It Can Cause a Slippery Driving Condition

6. It Can Cause Your Car to Lose Power

7. It Can Cause Your Car to Overheat

8. It Can Cause Your Car to Have Trouble Starting

9. It Can Cause Your Car to Have Trouble Running Smoothly

1. You may damage your vehicle’s paint job when you wash

The water can easily damage your car’s paint job. Not only that, but the harsh chemicals in the carwash can also damage the finish on your vehicle.

Instead, dry your car thoroughly before you go ahead and polish it or wax it. It will ensure that the paint job remains in good condition.

If you need to wash your car under the hood, use a bucket and a hose instead of a carwash. This method is less damaging to your vehicle and will also save you money.

The soap and water could leave a film on your car.

Washing your car with soap and water is a common practice, but it may not be the best way to clean it. The soap and water could leave a film on your car, preventing it from drying properly.

A film on the surface of your car can cause it to rust, and it can also discolor your paint. It can also make it difficult for the vehicle to absorb wax or sealant.

To avoid these problems, you should try a different method of cleaning your car. Many commercial car care products are available to clean and protect your vehicle.

If you still need to wash your car, you can use a diluted solution of vinegar or baking soda as a cleaner. Rinse the vehicle thoroughly after using these cleaners to avoid any residue.

3. Some chemicals can cause the soil when you wash the car

Soil is the foundation of your garden, and it’s essential to take good care of it. If you wash your car in the rain, the water will run off and dilute the chemicals used to clean the vehicle.

The chemicals used to clean a car can harm plants in your garden and soil health. The acidity created from the washing process can damage plant roots and soil microbes. It can lead to a decline in plant health and a loss in soil fertility.

If you must wash your car, try to do it outside or use a diluted water solution and a car washer detergent. Be sure to rinse the vehicle thoroughly afterward to eliminate all the chemicals!


Beatriz Berbet

Marketing & Social Media Intern

As a Marketing and Social Media intern, Beatriz takes care of social networks and is responsible for making people know more about Savings.Club on the internet. When she's not working or at university, you'll find her with a book and a glass of wine.