Help! M3 Suspension noise and bouncy car

jesus

Member
:
Mazda 3 2008
Hello, i have a problem with my mazda 3's 2008 i touring suspension:

It all started with a $%&/#"$ bump (both tires) that i passed at about 40 mph. When i passed the bump, i clearly heard a loud "clank" in the front of my car (not comming only from the tire but from the entire frontal side of the car). Afther that, the whole car started to bounce with every imperfection of the road.

I took the car to the dealer and they found that the No.3 (passenger side) motor mount was broken. They replaced the three motor mounts and the car improved slightly, but still very bouncy and unstable and i noticed that whenever the frontal drivers side tire passed over a slight imperfection of the road, it felt terrible and produced a noise that is hard to describe... sounds like rubber hitting metal but without any squeaks. Again took it to the dealer and they replaced the strut. The noise and feeling improved but did not dissapear, it was just harder to reproduce.

I checked the car myself and found that the sway bar was out of place (everything else looked perfect). The dealer fixed it but the car didnt improve at all (just a little bit at the corners). They said the suspension was right, and the bouncy problem could be related to the rear shocks. They replaced them and the car feels even worse, much more bouncy.

I can't even drive above 60 mph in roads that i usually drove much faster because the car feels unstable (it kind of enters in resonance with the humps of the road) and the noise with the front drivers side is still there.

Any ideas of what could be causing that behaviour? could it be worn out springs at the rear side? and damaged strut mouts at the front side? or what else?

Please help me because i use this car very often to travel long distances and now i do not feel safe with it.... and i'm tired of taking the car to the dealer that has proven quite incompetent

Thanks in advace for your help!!!
 

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