1.15 Knowing the parts of a vehicle: Power steering system

The hydraulic steering system is one of the most important parts of a vehicle, being responsible for providing the driver with the ability to control the direction of the vehicle with ease and precision. In this section, we will explore in detail the operation and maintenance of this system.

Understanding the Hydraulic Steering System

The power steering system, also known as power steering, is designed to make driving more comfortable and safer. It uses the force of a pressurized fluid to assist the driver in turning the steering wheel, significantly reducing the effort needed to maneuver the vehicle, especially at low speeds or when the vehicle is stationary.

This system consists of several parts, including the power steering pump, steering gear, fluid reservoir, high and low pressure hoses, and hydraulic fluid. The power steering pump is driven by the vehicle's engine and is responsible for pressurizing the hydraulic fluid. This pressurized fluid is then routed to the steering gear through the high-pressure hoses, where it helps move the steering mechanism, making it easier for the driver to turn the steering wheel.

Maintenance of the Hydraulic Steering System

Regular maintenance of the power steering system is essential to ensure proper operation and vehicle safety. This includes regularly checking the hydraulic fluid level and condition, inspecting hoses and fittings for leaks or damage, and replacing the pump or other system components if necessary.

Hydraulic fluid plays a crucial role in the power steering system. It not only transmits the power needed to assist steering, but also lubricates and protects the system's components from wear and tear. Therefore, it is important to regularly check the level and condition of the hydraulic fluid and replace it in accordance with the vehicle manufacturer's recommendations.

High and low pressure hoses are also critical components of the power steering system. They should be inspected regularly for signs of wear and tear such as cracks, swelling or leaks. If any of these conditions are observed, the hoses must be replaced immediately to prevent steering system failure.

Finally, the power steering pump is another vital component that must be kept in good working order. If the pump starts to fail, the driver may notice an increase in the effort required to turn the steering wheel, or the steering may become erratic or unstable. If any of these symptoms are observed, the pump should be inspected and, if necessary, replaced.

Conclusion

In summary, the power steering system is an essential part of a vehicle that requires regular maintenance to ensure its safe and efficient operation. By understanding how this system works and how to care for it, you can help extend the life of your vehicle and ensure a safe and enjoyable driving experience.

This is just one aspect of vehicle maintenance. In our e-book, we'll explore many more vehicle systems and components, providing a complete guide to vehicle maintenance from zero to advanced.