Through the 1950s, all domestic trucks featured a ladder frame with leaf springs front and rear. These semi-elliptic springs arch below the framerails. The steering knuckles pivot on kingpins at each end of a solid axle beam.Through the 1950s, all domestic trucks featured a ladder frame with leaf springs front and rear. These semi-elliptic springs arch below the framerails. The steering knuckles pivot on kingpins at each end of a solid axle beam. A truck's load capacity reflected its frame strength, axle beam size, steering gear, linkage stamina, spring load rates, and brake capacity. The typical classic truck comes with plenty of mileage and wear. Front and rear suspension, steering linkage, and the steering gear may need attention. On this IFS GM front end, wear points include the tie-rod ends, the idler arm, pitman arm, A-arm bushings, steering knuckle ball joints, and shock absorbers.

Photo Gallery: Classic Truck Suspension And Steering Linkage Basics - Classic Trucks Magazine


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