Suspension system

 Suspension system : The automobile frame and body are mounted on the front and

rear axle not directly but through the springs and shock absorbers. The

assembly of parts, which perform the isolation of parts from the road shocks,

may be in the forms of bounce, pitch and roll is called suspension system.

Basic parts of suspension system:
1)control arm: Movable lever that fastens the steering knuckle to the vehicl body or frame.

2)Steering knuckle:Provides a spindle or bearing support for the wheel hub,bearings and wheel assembly.

3)Ball joints:Swivel joints that allow control arm and steering knuckle to move up and down and side to side

4)Springs:Supports the weight of the vehicle;permits the control arm and wheel to move up and down.

5)Shock absorbers(or)dampers:Keeps the suspension from coutinuing to bounce after spring compression and extension.

6)control arm bushings:Sleeves that allow the control arm to swing up and down on the frame.