This design flaw? Chuan Qi - swing arm abnormal sound analysis

Earlier invincible cars received a netizen complaints, the new three months - Biography Qi GS5 four appeared abnormal sound for the suspension, a recent or even just into the 4S shop replaced finish the same components, thinking the problem was ruled out after just two weeks later, the same situation appeared again. Repeat the same fault, coupled with its high frequency, the owners are very hard to understand (see " Olympic champion and ordinary owners sigh " ). Therefore the author also went to Canton Chuan Qi car 4S stores, research on this question.
In general, the suspension arm of force is quite complex, straight and turning the wheels and the vehicle body between the longitudinal and transverse force, is through the swing arm to deliver, and braking and acceleration of torque, can also reverse effect on the swing arm. The swing arm is usually to show the structural stability of the shape of a triangle, to support from all sides, beat all kind of violence. Therefore, the suspension noise, generally with the swing arm itself independent of the strength, but from hanging the whole relatively fragile, it is part of some activities, such as swing arm and the auxiliary frame, frame. Chuan Qi car noise is also from this.

Figure: back to the shop, it is the same problem plaguing the owner, this is to be the left front suspension arm abnormal sound, need to be replaced on a rocker arm assembly.

Figure: KEI car - transmission and GS5, are using this set of double wishbone front suspension, the problem is the same parts, in each big owners forum have many suspension noise complaints posted.