Glossary of Automotive Terms Electric Hydraulic Power Steering

Electric Hydraulic Power Steering

Created by William Orellana Updated September 26, 2024 Popularity: 100 Views

Electric Hydraulic Power Steering

Explanation: Electric Hydraulic Power Steering (EHPS) is a type of power steering system that combines the benefits of both electric and hydraulic power steering systems. In this system, an electric motor is used to provide assistance to the steering mechanism, while hydraulic fluid is still utilized to transmit the steering force from the steering wheel to the wheels of the vehicle.

EHPS systems are designed to provide a more efficient and responsive steering experience compared to traditional hydraulic power steering systems. The electric motor helps reduce the load on the engine, resulting in improved fuel efficiency. At the same time, the hydraulic system ensures that the steering feel and feedback remain smooth and precise.

Overall, EHPS systems offer a good balance between the benefits of electric and hydraulic power steering, providing drivers with a comfortable and enjoyable driving experience.

Technical Explanation:

Common Symptoms:

  • Stiff or heavy steering
  • Steering wheel vibration
  • Steering wheel not returning to center
  • Unusual noises when turning the steering wheel

Diagnosing: Diagnosing issues with an EHPS system typically involves checking the power steering fluid level, inspecting the power steering pump, and examining the electric motor for any signs of damage. Additionally, a diagnostic scan tool may be used to check for any error codes related to the EHPS system.

Common Repairs:

  • Replacing the power steering pump
  • Flushing and refilling the power steering fluid
  • Repairing or replacing the electric motor
  • Checking and replacing any damaged hoses or connections in the system