Your car’s suspension system is responsible for the way it handles. It ensures the appropriate level of friction between your tires and the road, which in turn makes the car easier to steer and more comfortable to ride in. It also keeps your car in contact with the road without collapsing onto the road. The suspension system consists of many different parts, and if something goes wrong with any single part, it can cause significant damage to your car and make it dangerous to drive. If your auto body shop recommends that you have your suspension repaired, you will likely hear some terms that are unfamiliar. Here is a look at some of the basic terminology you will need to discuss your car’s suspension system.

Leaf Springs

Leaf springs consist of strips of metal, called leaves, that are stacked on top of each other. The leaves can flex and bend to allow them to absorb the weight of the vehicle and shocks from bumps in the road. When used in a suspension system, a leaf spring will support the weight of the vehicle while minimizing the impact of bumps and potholes. It also allows the vehicle to turn in response to motions in the steering system. Leaf springs were once found in every suspension system, but today not all vehicles have them. They are most common in trucks, heavy load vehicles, and older cars.


The frame is the actual physical structure of your car. It supports the engine, transmission, and body of your car. In turn, the suspension supports the frame and everything inside it. Frame damage can occur during an accident and can lead to suspension system damage.

Torsion Bars

Torsion bars behave similarly to springs. They can twist and flex in response to movements from the vehicle and bumps in the road. One end of the bar is attached to the vehicle’s body, while the other is attached to a lever that looks like a wishbone that moves in response to friction on the road.

Duluth Superior Spring can provide you with leaf spring repairs and replacements to keep your car’s suspension in top condition. For suspension repairs in Duluth, MN, call (218) 481-7444.

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