When it comes to car performance and comfort, one of the key components often overlooked by beginners is the humble car spring. This essential piece of your car’s suspension system plays a pivotal role in how your vehicle handles the road. In this guide, we will explain what car springs are, their types, how they work, and why they are essential for your vehicle. If you own a VW T6 and wantto installa better suspension system in it, check out the VW T6 suspension upgrade.

What Are Car Springs?

Car springs are robust coils made of steel or other durable materials, designed to absorb and dissipate energy. They are a part of the car’s suspension system and are located between the wheels and the car’s body. The main function of the spring is to support the weight of the car, absorb impacts from the road, and maintain tire contact with the road surface.

Types of Car Springs

There are four main types of car springs used in modern vehicles:

  • Coil Springs: These are the most common type of springs found in cars. They are literally coiled springs that compress and expand to absorb the shock of bumps and potholes.
  • Leaf Springs: Older vehicles, particularly trucks and some SUVs, often use leaf springs. They consist of several layers of metal (leaves) bound together to act as a single unit.
  • Torsion Bars: Torsion bar suspensions use a steel bar to serve the same function as a coil spring. One end of the bar is fixed to the vehicle’s frame, and the other to the wheel hub. As the wheel moves up and down, the bar twists to provide resistance and spring action.
  • Air Springs: These involve a cylinder of air contained within a bag made of textile-reinforced rubber. Air pressure within these springs can be adjusted to change the ride height or stiffness, providing a very smooth ride.

How Do Car Springs Work?

The basic principle behind car springs is simple. When a car wheel encounters a bump, the spring compresses, absorbing the energy of the upward force that the bump creates. The spring then releases this energy slowly, allowing the wheel to come down softly instead of slamming back into the road. This not only makes for a more comfortable ride but also helps maintain control and tire contact with the road.

Why Are Car Springs Important?

The importance of car springs can be summarized as follows:

  • Comfort: They absorb the energy from bumps and potholes, making for a smoother ride.
  • Handling: Springs help keep the car stable through turns and when driving on uneven surfaces.
  • Protection: By absorbing impact, springs prevent damage to the vehicle’s chassis and body.
  • Support: They bear the weight of the vehicle, including any cargo or passengers.

Maintenance and Replacement

It is crucial for car owners, especially beginners, to be mindful of the condition of their car springs. Springs can wear out or get damaged over time. Common signs of worn-out springs include the car sagging to one corner, feeling every bump on the road, or the car bottoming out (when the chassis hits the ground).

It’s advisable to have your suspension checked regularly, and if required, have your car springs replaced by a professional. Always ensure that springs are replaced in pairs to maintain an even balance on both sides of the vehicle.


Understanding the basics of car springs is important for any car owner. Not only does this knowledge help in maintaining your vehicle, but it also improves your overall driving experience. Remember to conduct regular maintenance checks and address any issues with your springs promptly to ensure your car is safe and comfortable to drive.

If you’re ever unsure about your car’s springs or suspension system, don’t hesitate to consult a professional mechanic who can provide the necessary advice and service. After all, safety and comfort on the road rely heavily on a well-maintained suspension system.

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