Auxiliary suspension systems offer the possibility to, within limits, control any suspension problems oneself. Leaf-sprung vehicles and coil sprung vehicles require different auxiliary suspensions.
On a vehicle with leaf springs, an air bellow is fitted between chassis and rear axle. This bellow supports the existing leaf spring
)) See VB-SemiAir for more information.
A vehicle with a coil spring will take an air bellow inside the coil spring to support the spring.
)) See VB-CoilAir for more information.