Why we need four wheel alignment？
Four wheel alignment is not only related to four wheels. There should be an opposite position between the installation of four wheels, steering structure, front and rear wheels, whose data has been specified by manufacturers. To adjust this position is called four wheel alignment. Then why we need four wheel alignment machines? In what occasion our cars require four wheel positioning? Any parameter of four wheel alignment goes wrong, or any angle becomes a little bigger will have great influence in driving. So four wheel alignment is very important! It's common to see vehicle s drive off the raceway . When you are driving straight ahead, your car itself deviate s to left or right, which is very dangerous. When tires get weared and teared due to camber deviation , four wheel alignment is needed. And other occasions like the c hassis and s uspension injury caused by accidents, demolition of axle and s uspension parts. 3D, CCD and laser fo...