Hi Dennis,
My gut tells me you're probably spot on!
In fact, thinking about it,
I didn't have the vibration
until I changed the gear oil?
thanks,
John C...
PS: still enjoying my "Haynes Hitch"
these some 15 years later !!!
( thing will defiantly out last me !!!  ;o)

On Sun, Sep 8, 2013 at 10:12 AM, Dennis Haynes <d23haynes57@hotmail.com>wrote:

> A vibration that changes with throttle is almost always driveline related.
> The gear shifter rattling can indicate a problem inside the transmission.
> In 3rd gently keep forward pressure on the shifter and work the throttle.
> If the shifter pushes back under load you have a bad main shaft ball
> bearing and/or the gear carrier housing is shot.
>
> Dennis,
> From my phone.
> ________________________________
> From: John C...<mailto:oregonejohn@GMAIL.COM>
> Sent: 9/8/2013 1:03 PM
> To: vanagon@GERRY.VANAGON.COM<mailto:vanagon@GERRY.VANAGON.COM>
> Subject: Re: Rear Vibration
>
>  Hi All,
>
> Nice to see everyone at this Sun AM Cafe!
> I don't post very often, so sorry if this one is a little long, slow &
> live  (CSN&Y;o)
>
> Just some thoughts on my vibration problems,
> and the one I am currently having;
>
> As, I've developed a easy, steady vibration
> upon accelerating or when applying torque,
> usually above 30 MPH, even on a smooth freeway.
>
> Along with this vibration, the shifter Jiggles (or is it Giggles? ;o)
> when applying or letting off of the gas.
>
> Since this is a new to me 91 Westy with 112K,
> I've come up with a list of a half dozen maintenance items I will need to
> address.
>
> Starting with thoroughly checking the motor and trans  mounts.
> I will then move on to the CV's / Wheel bearings, Brakes.
>
>  And, if that doesn't do it I'll have to pull the tranny & redo
> the clutch system. (I've changed the tranny fluid)
>
> Also the fellow that mentioned shocks.
> This sounds like it should be on my list as well.
>
> Oh cracky may as well do the wheels, springs & tires
> while I'm at it !!!???
> (why my wife calls these vehicles my sickness  ;o)  heh heh...
>
> Turning 65 next week & time to relax, travel the country,
> instead of turning so many wenches !
> What a long strange trip  (these buses) it's been!
> ( I've just got to get down to ( ONE ) bus !!!
> ( Help!  I've slid out from under my bus on my Creeper & cant get up !!!
> ;o)
>
> best,
> John C
> (hiding out in the forest)
>
> PS: thanks to Larry & Dale & their wives for a real nice time up at
> Dosewalips!
> PS:PS: My fear is that my Westys' vibration is that it's trying to
> synchronise
> with the vibrations of the universe & sail me out to sea !!!???  ;o)
>
>
> On Sat, Sep 7, 2013 at 5:45 PM, Finn Runyon <finnrunyon@gmail.com> wrote:
>
> > Hi All,
> > I  are having a vibration issue with my 87 Westy.  It seems like the
> right
> > rear wheel, and it diminishes around a right turn at speed.  The
> vibration
> > decreases with speed about 60mph.  In an effort to eradicate the issue I
> > have replaced the rear wheel bearings right and left, rotated and
> balanced
> > the tires,  and replaced the CV joints.  It is an automatic with just
> over
> > 200K.  I don't know where else to look.  Is there a wear issue with the
> > automatic transmission that could be causing it?
> > Thanks,
> > Finn
> > Taos, NM
> > 87 Westy Pooh
> > 89 Westy Roo
>