It is said that the leaf-spring suspension is the oldest suspension used for automobiles. The leaf-spring system was used more recently in '70s production cars, some of which are still in service ...

Leaf springs lead a tough life. They are faced with the dual responsibility of both locating and suspending axles. Over thousands of cycles, leaf springs eventually fatigue and either sag or break.

BrightDrop electric delivery vans (above) as well as Chevrolet Silverado/GMC Sierra pickups from General Motors Co. feature North America’s first composite tension leaf springs (TLS) with progressive ...

Fifty years is a long time, especially for a vehicle's suspension components. Although the shocks get replaced regularly, leaf springs are rarely given much thought—unless you want to lower the ...