On Wed, 24 May 1995, Laird Bolt wrote:
> I read the recent description of the vibrations caused by the U-Joint with
> great interest as I have a similar sounding problem. One person mentioned
> the vibration was noticeable at 30MPH which also corresponds to the exact
> same speed mine occurred at if I am in 3rd gear. My car also has the same
> vibrations at the same RPM in 4th gear.
>
> My questions are; Did the people who had these vibrations caused by the
> U-joints experience the vibration through all the gears at the same
> RPM? Were the vibrations only noticeable over a narrow speed range?
> Were the vibrations only noticeable when maintaining a constant speed?
I should think that the driveshaft rpm, and therefore any vibration
caused by u-joints, should be a function of the speedometer reading. If
a vibration appeared at the same RPM in 3rd and in 4th, I would be
surprised if the u-joints were at fault.
Ray Gibbons Dept. of Molecular Physiology & Biophysics
Univ. of Vermont College of Medicine, Burlington, VT
gibbons@northpole.med.uvm.edu (802) 656-8910
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