[Shotimes] vibration: what is wrong?

[Ian Fisher]

Thanks George

I'll have to check this out when I get a chance. I
verified that the driver's side wheel bearing was fine
when I had the brakes off and tried to move it around.
It was in there rock solid. I didn't tear down the
passenger side but I didn't find any excessive play
when I rocked the wheel. 

I'm going to do the easiest thing first and try to
tighten up the tension strut rods. If that doesn't
solve anything, I'd suspect the passenger side wheel
bearing as well (it's exactly the same age as the
driver's side however (~ 2 years, Timken). Other than
that, I don't have much else to go on.

The Alignment is definetly off so it looks like
something loosened up and shifted over time.

Ian

--- George Fourchy <krazgeo@comcast.net> wrote:

> On Tue, 21 Dec 2004 21:11:29 -0800 (PST), Ian Fisher
> wrote:
> 
> >Moving the wheel left or right changes the pitch
> and sound (increases, decreases).
> 
> Are you saying the sound and feel of the vibration
> increases in intensity when you
> turn the wheel either way from centered?  That
> sounds to me like a bad bearing on
> one side or the other....when the car is going
> straight, there is no load on it, but
> when turned, the bearing is tensioned to one side or
> the other of the race.   
> 
> >Letting go of the wheel and letting the car drift
> usually alleviates most of the problem.
> 
> This seems like another symptom of a super loose
> wheel bearing.
> 
> > Steering wheel is no longer centered when driving
> car straight.
> >Letting go of the wheel causes car to drift
> slightly to the right.
> 
> These two symptoms sound like alignment.  Make sure
> the subframe is where it is
> supposed to be....centered left and right....and
> also make sure there is no
> looseness in the tension strut bushings at the LCAs.
>  It sounds like that shim might
> be giving you some trouble.  Lowrider was all over
> the place, depending on power
> settings, when the one side tension strut nut worked
> loose on the way back from
> Indiana.
> 
> George
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