The Action of Leaf-Springs in a Car’s Suspension System

Leaf-springs have been around for a long time. Nearly all vehicles made before 1970 used leaf springs to absorb vibration from the road. Today, leaf-springs are commonly used in off-road vehicles to absorb the greater forces developed driving on a rough surface.

Common leaf springs consist of three bowed high tensile strength steel pieces of different sizes. The longest length, called the master leaf, is bowed with each end attaching to the frame via an eye. Two more leaf sections, shorter and less bowed, fit inside the bow of the master leaf. When the wheel hits a bump the master leaf bends into the shorter leaf sections that send the force back to the master leaf. The master leaf then sends the rebound into wheel to hold the tire to the road.

Have the technicians at Cortland Chrysler Dodge Jeep RAM in Cortland, NY check your leaf-springs during every service.

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