Can the straightened truck leaf springs still be used?

1 Answers
Samuel
07/30/25 6:39am
Truck leaf springs being straightened indicates severe overloading. If one leaf in a set of truck leaf springs breaks, it will cause the other leaves in that set to bear increased stress, triggering a chain reaction. Over time, the upper leaves will also fracture. In such cases, the broken leaf springs should be replaced as soon as possible. The main reasons for vehicle leaf spring breakage include: 1. Front leaf springs often overloading and prolonged use leading to reduced elasticity and rigidity, resulting in fatigue fractures. 2. Excessive use of emergency braking. It is recommended that drivers use exhaust brakes more and minimize emergency braking. If the front wheel brakes are adjusted too tightly and the rear wheel braking performance is poor or suddenly fails, emergency braking will subject the front leaf springs to excessive impact, causing them to break. 3. Poor road conditions, overloading, and speeding increase the impact force on the front leaf springs, making them more prone to breakage. 4. Poor-quality leaf springs with non-standard leaf curvature, inferior steel material, or improper heat treatment, leading to uneven stress distribution and breakage.
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