EV Glossary


The suspension system is a network of parts that links a vehicle’s wheels to its frame. It serves two primary functions:

  • To absorb uneven road surfaces, like bumps and vibrations. This enhances passenger comfort and safeguards the vehicle from harm.
  • To maintain the tires in contact with the road, which is crucial for safe handling.

The suspension system includes various components:

  • Springs: These support the vehicle’s weight and soak up shocks and vibrations.
  • Dampers: Dampers manage how springs rebound and prevent excessive bouncing.
  • Axles: Axles link the wheels to the frame, allowing them to spin.
  • Linkages: Linkages connect the suspension parts to each other and to the frame.

There are two main types of suspension systems: independent and dependent. In independent suspension, each wheel operates independently, so one wheel’s bump doesn’t affect the others. In dependent suspension, wheels on the same axle are connected, so when one hits a bump, it impacts the other.

Independent suspension systems tend to be pricier but offer better handling and ride comfort. Dependent suspension systems are more common in heavy-duty vehicles like trucks and SUVs.

The suspension system is a vital safety feature, ensuring vehicle stability and control, even on rough roads. Regular maintenance is essential to keep the suspension system in good shape for safe driving.

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