Tips Sahabat

Secure Washing Cars with High-Pressure Water?

09 April 2025
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Washing a car does take a long time, so owners choose to have it washed at a car wash service. Using high-pressure water to wash the car makes it easier to remove dirt that sticks to the car. However, is this safe for your car?

Washing a car through a car wash service is indeed more practical and efficient, but you need to pay attention that not all parts of the car can be sprayed with high-pressure water.

High-Pressure Car Wash, Safe or Not?

Although there are certain cars that are safe to wash with high-pressure water, this should not be done too often. Not only modern cars, but older car components are also at risk of being easily damaged if high-pressure water is used.

So, what risks can occur if washing a car with high-pressure water? Here’s the explanation:

 Can Damage the Engine Compartment

If your car's components are quite old, you need to be cautious when washing it with high-pressure water. After being sprayed with water, the engine compartment must be dried immediately. If not dried, it can cause rust.

It would be better not to use high-pressure water in the engine compartment, whether for old or modern cars. It’s better to use a damp cloth to clean your car's engine compartment.

Additionally, you can use special fluids designed to clean areas in the engine compartment without damaging them. For this, you can clean the engine compartment yourself.

When cleaning the engine compartment, you don’t need to clean it too often because there are many electrical systems inside that can be dangerous if cleaned too frequently.  

Potential for Car Paint to Peel

Another risk that can occur when washing a car with high-pressure water is that the car paint may peel, especially for paint that has been repainted or of lower quality.

This usually happens due to improper high-pressure water spraying techniques, which can cause scratches from dirt that initially sticks to be eroded, leading to faded paint.

Therefore, you can inform the car wash staff to wash the car with water that is not too high in pressure to achieve optimal washing results.

When washing the plastic body panel, it is advisable to direct the water pressure straight on rather than from the side. This is because the adhesion of paint on plastic panels is weaker compared to metal body panels. The rest of the water spraying process can be done from top to bottom for an even clean.

Can Cause the Undercarriage to Rust

Washing a car with high pressure can also cause the undercarriage to rust. This happens because washing the undercarriage too often can damage the plate layer on your car's undercarriage.

The water will settle and over time can cause rust in certain areas. In this case, you can trust a car wash service that uses hydraulic technology.

Read Also: How to Wash Your Car Properly So the Paint Doesn’t Fade Quickly

However, you also need to be cautious about the suspension or undercarriage after washing the car. This is because the type of jack used only rests on the lower frame.

As a result, the wheels hang freely when the car is lifted. If this happens, the wheel suspension will lose its footing and can weaken the strength of the car's suspension.

Can Damage Car Light Components

To remove dirt from the car, car wash services usually use high-pressure water to clean it. This can also pose a risk to your car's light components.

Parts such as car lights and parking sensors in the rear bumper can be vulnerable to damage if exposed to high-pressure water. There is a possibility that the sprayed water can enter the gaps of the lights or even inside them.

This is concerning as it could disrupt the electrical system of the lights and sensors because residual water can cause short circuits when there is an electric current. Therefore, ensure that the car wash service sprays those parts with low-pressure water.

Get the Best Service at Daihatsu Workshops!

These are some of the risks that occur if you frequently wash your car with high-pressure water. It indeed requires the right skills to ensure that the car washing process is done correctly for optimal results.

However, you need to pay attention to the parts of the car that are at risk of experiencing issues if washed with high-pressure water to avoid unwanted incidents.

If those parts experience issues after you wash the car, it would be best to take it to the nearest Daihatsu workshop in your city.

We will help you address the problems and issues causing damage to your car so that it can return to normal condition.

Our Daihatsu workshop is supported by experienced mechanics who can easily handle various problems that occur with your vehicle. Get more information through our website here. 

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