Also check the bolts that hold the drive axles to their flanges on the
tranny and stub axles.

> -----Original Message-----
> From: Vanagon Mailing List [mailto:vanagon@GERRY.VANAGON.COM]On Behalf
> Of Anthony L. Mourkas
> Sent: Wednesday, August 25, 1999 7:24 AM
> To: vanagon@GERRY.VANAGON.COM
> Subject: Re: Thump Thump Thump
>
>
> >That's what I feel when I drive - Thump Thump Thump - I am running out of
> >ideas.....
> >
> >It's Speed related, (feel it when slow or fast, just thumps
> faster) doesn't
> >appear to be a separated tire
> >
> >Maybe I should take off all the wheels, and then reinstall them?
>
> Try substituting your (good) spare at each corner of the van followed by
> a test drive.  If the noise goes away while the spare is fitted to a
> particular corner you have found a bad tire or wheel.  Tread separation
> is not always readily apparent upon visual inspection.
>
> My Westy sounded like a jack hammer going off when we had a case of tread
> separation earlier this year.  Thump, thump, thump - what a racket!
>
> Best wishes,
>
> Tony
>
> Anthony L. Mourkas
> Hampden, Maine, USA
> 1984 Vanagon Westfalia
> 1987 Vanagon Syncro GL
> 1991 Jetta Eco Diesel
>