
The Buick Excelle uses Daewoo shock absorbers. Shock absorbers are used to dampen the oscillations from the spring's rebound after absorbing shocks and to mitigate impacts from the road surface. Purpose of shock absorbers: To accelerate the attenuation of vibrations in the vehicle frame and body, thereby improving the car's ride smoothness (comfort), most vehicle suspension systems are equipped with shock absorbers. The car's shock absorption system consists of both springs and shock absorbers. Shock absorbers are not designed to support the vehicle's weight but to dampen the oscillations from the spring's rebound and absorb the energy from road impacts. Working principle of shock absorbers: When relative motion occurs between the vehicle frame (or body) and the axle due to vibrations, the piston inside the shock absorber moves up and down, causing the oil in the shock absorber chamber to repeatedly flow from one chamber to another through various orifices. The friction between the orifice walls and the oil, as well as the internal friction among the oil molecules, creates a damping force that converts the vehicle's vibration energy into heat energy of the oil. This heat is then absorbed by the shock absorber and dissipated into the atmosphere.


