Introduction

One of the important aspects of car maintenance is fluid control. Two of the essential fluids that we must know are brake fluid and power steering fluid.

What is brake fluid?

Brake fluid is a hydraulic fluid that is usedin the system braking of the car. This system works thanks to the pressure exerted by the brake pedal on the discs or wheels. Brake Pad. This pressure is transmitted through the brake fluid, which is in the hydraulic circuit, to the brakes located on the wheels. Brake fluid is therefore essential for the braking system to function properly.

What is power steering fluid?

Power steering fluid is a hydraulic fluid used in the car's power steering system. This system helps the driver turn the steering wheel with less effort, thanks to the pressure exerted by the power steering pump on the fluid. This fluid moves through a hydraulic circuit that reaches the power steering cylinders, which are located in the direction of the car.

What is the difference between both liquids?

Although both liquids are hydraulic and move through similar circuits in the car, there are some differences between them.

Difference in function

Brake fluid is essential for the braking system, which is one of the most important aspects of car safety. However, power steering fluid is not essential for driving the car, although it improves the driver's comfort when turning the steering wheel.

Difference in composition

Another important difference is the composition of both liquids. Brake fluid is made up of synthetic glycols and esters, while power steering fluid is usually made up of mineral oil. This different composition means that they are not interchangeable and must be used in the systems for which they are designed.

Conclusions

In summary, both fluids are important for the proper functioning of the braking and power steering systems in the car. However, its functions and compositions are different, so it is important not to confuse them and use the appropriate liquid for each system.

References

• Bosch Car Service – Difference between LHF1 and LHF4 brake fluids
• AutoCasion – What is power steering fluid

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