SFerg

So I purchased my car a little under a year ago
350z 2005 Enthusiast 118k Miles

There are currently no suspension mods. (Don't flame, work in progress)

From the front end I have a clunk. Going over bumps, ripples, any uneven surface. Like a gnarly clunk. I can hear it inside the cabin from the front driver side, and front passenger side.

What I have done: ALL front suspension bushings with polyurethane bushings, checked strut mounts Good, checked engine mounts. Good

Separate, possibly related issue. At 55mph+ I get a vibration in my steering wheel, a violent vibration.
This issue does not occur with my stock wheels
This issue occurs with my BMW 7 series + 25mm adapters.

What I have done: Swapped all 4 wheels and adapters with my buddies, issue was still persistent (rules out my wheels/adapters)

Possible fixes: Replace rack and pinion & tie rods, replace ball joints, replace sway bar bushings, change power steering pump.

I am really at a loss here. Any help would be greatly appreciated.

travlee

iTrader: (8)

did you do the lower inner control arm bushings?

SFerg

OH yeah. I did them real nice and good and pretty like. Didn't fix anything.

travlee

iTrader: (8)

hmmmm, let me rack my brain

SFerg

bump

kilogram

iTrader: (1)

Wheel bearings? Lift the wheel off the ground and see if there's any vertical play. You'd also notice a kind of roaring sound when the offending wheel is loaded for a turn. (bad left front roars on right turns, bad right roars on lefties)

i8acobra

iTrader: (6)

Bolt on a set of wheels without any spacers. Pretty sure that will fix it if there really are no bushing issues.

SFerg

Gonna get my wheels redrilled and hope for the best.

cincysilvias14

mines doing the same thing. only braking do i really notice it, or the rough surfaces (if anyone lives in or by cincinnati understands)

SFerg

ISSUE IS FIXED! Turned out to be sway bar bushings.

When braking, this sounds like it could possibly be your rotors.

rustyschopshop

sway bar bushings should have nothign to do with vibration though, I would get your front wheels re-balanced.