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Development of a new multi-link rear suspension (Part 2)
Published October 13, 1999 by Society of Automotive Engineers of Japan in Japan
Event: JSAE Autumn Conference
Developed on the basis of a study concerning the interrelation between the arrangement of suspension components and ride comfort, the new multi-link rear suspension achieves NVH performance suitable for luxury cars. Suspension friction was reduced by mounting the coil spring and shock absorber separately. The spring constant of the suspension was reduced by lengthening the links and mounting the coil spring on one link. Harshness was improved by positioning the shock absorber right above the axle. Final drive gear noise and booming noise, which normally require a trade-off, were both reduced by optimally positioning the low-stiffness final drive mounts.