Can Brake Fluid Be Used As Power Steering Fluid?


The Best Brake Fluids for 2020 Autowise
The Best Brake Fluids for 2020 Autowise from autowise.com

Many car owners are often confused about the difference between brake fluid and power steering fluid. Both fluids are essential to a car's performance, but they serve different purposes. Brake fluid is used in the braking system to transfer force from the brake pedal to the brake pads, while power steering fluid is used to aid in the steering of the vehicle. However, some car owners may wonder if these fluids are interchangeable. In this article, we will explore whether brake fluid can be used as power steering fluid and what the consequences of doing so may be.

The Differences Between Brake Fluid and Power Steering Fluid

Before we dive into the question of whether brake fluid can be used as power steering fluid, let's take a closer look at the differences between these two fluids. Brake fluid is typically a glycol-ether based liquid that is designed to withstand high temperatures and pressure. It is used to transfer force from the brake pedal to the brake pads, which then apply pressure to the brake rotor to slow down or stop the vehicle. Brake fluid is also used to lubricate and protect the brake system components from corrosion.

Power steering fluid, on the other hand, is a hydraulic fluid that is used to aid in the steering of the vehicle. It is typically a mineral oil-based liquid that is pressurized by the power steering pump and transferred through the power steering hoses to the steering gear. Power steering fluid helps to reduce the effort required to turn the steering wheel, making it easier for the driver to maneuver the vehicle.

Can Brake Fluid Be Used as Power Steering Fluid?

The short answer to this question is no, brake fluid should not be used as power steering fluid. While the two fluids may look similar, they have different chemical compositions and serve different purposes in the vehicle. Using brake fluid in the power steering system can lead to a number of problems, including:

Damage to the Power Steering Pump

Brake fluid is not designed to handle the pressures generated by the power steering system. If it is used in place of power steering fluid, it can cause damage to the power steering pump, which can be costly to repair or replace.

Corrosion of Power Steering System Components

Brake fluid contains additives that are designed to protect the brake system components from corrosion. However, these additives can actually cause corrosion in the power steering system components, leading to leaks and other issues.

Reduced Performance of the Power Steering System

Power steering fluid is specifically formulated to work with the power steering system components, including the power steering pump, hoses, and steering gear. Using brake fluid in place of power steering fluid can lead to reduced performance of the power steering system, making it harder to turn the steering wheel and increasing the risk of accidents.

Conclusion

In conclusion, while brake fluid and power steering fluid may look similar, they are not interchangeable. Using brake fluid in place of power steering fluid can lead to a number of problems, including damage to the power steering pump, corrosion of power steering system components, and reduced performance of the power steering system. It is important to always use the manufacturer-recommended fluids in your vehicle to ensure proper performance and avoid costly repairs.


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