High Performance Strut (GNB)

WARNING: This page is about a different car, the 2019 Buick Cascada, 2018 Buick Cascada, and 2017 Buick Cascada. However, it is still accessible from the selected car via links, so may be relevant.

The High Perfomance Strut (HiPerStrut) comprises a spring, damper and upper suspension strut pivot integrated in one unit. The lower part of this unit is connected to the outer tie rod arm.

The steering knuckle is suspended between a lower control arms via the yoke assembly to the strut assembly. The lower control arm outermost point is attached to the yoke assembly and then through the king pin bushing to the steering knuckle. The innermost end of the control arm attached at 2 points to the vehicle frame through semi-rigid bushings. The upper portion of the steering knuckle is attached to the yoke assembly via a ball stud. The yoke assembly then connects to the struts assembly and vehicle body by way of an upper bushing.

Components of the HiPerStrut Suspension

Twin Tube CDC damper with spring assembly
Yoke
Steering knuckle upper ball stud
Steering knuckle king pin bushing
Steering knuckle
Kin pin
Wheel hub
Outer tie rod end
Lower control arm
Stabilizer shaft
Stabilizer shaft link