High Speed Vibration
#1
High Speed Vibration
I've experienced an up and down shimmy on the whole dash board assembly where I could feel it on the steering wheel and pedals. It feels as though it's coming from the front end or at least some place under where your feet rest; definitely not from the rear. It happens only in 6th gear at speeds above 70mph. It never shimmies in any other gear at any RPM; only 6th above 70mph. The shimmy itself is a little inconsistent, meaning that it comes and goes at various speeds above 70. However, the vibration unmistakably dissipates upon letting off the gas, and comes back a few seconds after I step on the gas again. I never step on the brake during this whole time, so I don't think it has anything to do with the rotors, especially since the shimmy responds to the throttle/torque.
For those of you who've dealt with this problem or are familiar with it, what are the common causes given the circumstances above?
Any input is greatly appreciated.
For those of you who've dealt with this problem or are familiar with it, what are the common causes given the circumstances above?
Any input is greatly appreciated.
#4
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i had that same problem with my old t/a after sliding across a median.(accident) turned out it was the weight on the driveshaft. it was missing. i would check for the weight and then replace the ujoints.