What Shock Absorbers Do – Mr Parts ©
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What Shock Absorbers Do

Posted by Auto Surgeons on

Their primary function and location

All vehicles on the road have some form of shock absorber. They are located on the front and rear wheels or axels of the vehicle and are connected to the vehicle suspension system – tyres, springs, chassis and their linking components.

Their primary function is to keep the vehicle’s wheels in contact with the road.

Secondary functions are to ensure more accurate control and steering of the vehicle and to correct phasing (the movement of the suspension).

Most newer cars have struts instead of shocks. Struts are compact and allow for lighter vehicles.

They not only control the up and down movement of the tyre, but contribute to the steering’s pivotal rotation.

How they work

Shock absorbers reduce wheel movement and vibration by turning the kinetic energy of the suspension movement into heat energy, and then dispersing this heat energy through the air passing over the shock absorber.

Shock absorbers work in two cycles: the compression cycle and the extension cycle. When the wheel travels upwards causing the spring and shock absorber to shorten, the shock absorber is said to be in COMPRESSION STROKE.

When the road wheel starts to move back down, the shock absorber is lengthened and said to be in REBOUND OR EXTENSION.

A typical car or light truck will have more resistance during its extension cycle than its compression cycle.

The faster the suspension moves, the more resistance the shock absorber provides. This enables shocks to adjust to road conditions and to control all of the unwanted motions that can occur in a moving vehicle, including bounce, sway and brake dive.

Are all shocks the same?

“Shock absorber” is a common term used for all shocks but there are various types:

  • Standard telescopic shock absorbers
  • McPherson struts
  • Spring seat shock absorbers
  • Cartridges

Replacing your shocks at intervals will help keep your car performing like new, but choosing the right shocks can make a big difference.Today the design and manufacture of shock absorbers is a high technology, precision industry.

Having car problems? Then worry no more. Feel free to contact us anytime and our team of experts and mechanics will attend to your needs. 

Come back to Mr Parts blog next week for more news, consumer advice, opinions and details on the best car parts for your make and model. Visit us  at www.mrparts.ng for advice or to see our product range with your own eyes

(Credit to: gabriel.co.za - GABRIEL)

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