Glossary of Automotive Terms Active Suspension

Active Suspension

Created by William Orellana Updated September 24, 2024 Popularity: 101 Views

Active Suspension

General Explanation: Active suspension is a type of automotive suspension system that continuously adjusts and adapts to road conditions and driver inputs in real-time. Unlike traditional passive suspension systems that rely on fixed settings, active suspension systems use sensors, hydraulic actuators, and electronic control units to actively control the movement of each wheel independently. This allows for improved ride comfort, handling, and stability by minimizing body roll, pitch, and dive.

Active suspension systems can adjust damping rates, ride height, and even individual wheel movements to provide a smoother and more controlled driving experience. Some systems can also counteract body lean during cornering, improve traction, and reduce vibrations for a more comfortable ride.

Technical Explanation:

Common Symptoms:

  • Harsh ride quality
  • Excessive body roll or pitch
  • Uneven tire wear
  • Poor handling or stability
  • Unusual noises coming from the suspension system

Diagnosing: Diagnosing issues with an active suspension system can be complex and may require specialized diagnostic tools. Common methods include:

  • Visual inspection for leaks or damage to the suspension components
  • Checking sensor readings and data from the electronic control unit
  • Conducting a road test to observe the behavior of the suspension system
  • Using diagnostic software to analyze system performance and detect faults

Common Repairs: Common repairs for active suspension systems may include:

  • Replacing faulty sensors or actuators
  • Repairing or replacing damaged suspension components
  • Updating software or recalibrating the system
  • Flushing and replacing hydraulic fluid
  • Conducting a wheel alignment after repairs

Overall, active suspension systems offer significant benefits in terms of ride comfort and performance, but they require regular maintenance and proper diagnosis to ensure optimal functionality.