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Re: [Healeys] Rear End Shimmy

To: "Larry Varley" <varley@cosmos.net.au>, "Alan Seigrist Blue 100"
Subject: Re: [Healeys] Rear End Shimmy
From: "Tom Felts" <tomfelts@earthlink.net>
Date: Sun, 24 Jun 2007 22:01:55 -0400
I think you have hit on it Larry.  I remember a situation like that years
ago.

tom


> [Original Message]
> From: Larry Varley <varley@cosmos.net.au>
> To: Alan Seigrist Blue 100 <healey.nut@gmail.com>
> Cc: <healeys@autox.team.net>
> Date: 6/25/2007 5:27:06 PM
> Subject: Re: [Healeys] Rear End Shimmy
>
> Alan
> I have had this happen, and it turned out to be a tire that was coming 
> apart internally. The tyre looked ok, but when I spun the wheel there 
> was a lump in it
> Cheers
> Larry
>
> Alan Seigrist Blue 100 wrote:
> > No, I'm not talking about Christina Aguilera!
> >
> >
> > I have a very mysterious rear end shimmy at all speeds, whether in gear
or
> > out of gear.
> >
> > When going slow it feels like one of my rear wheels is out of round. 
It is
> > somewhat severe and getting worse... to the point the car shakes quite
a bit
> > at speeds over 40mph.  I can feel the shimmy in the seat of the car even
> > doing 10-15 mph.
> >
> > I have checked for oil leaks around the rear hubs (there are none) but I
> > don't expect any because I had just tightened the spline lugs on both
sides
> > just about a month ago.  No oil is leaking, so I know the lugs are
tight.
> >
> > I have a BJ8 with Cape's rear disc brake conversion kit, so it can't be
> > drums out of round.  I've looked at the discs closely and they don't
seems
> > to have any scoring so it doesn't appear that the hub is loose, but It
is
> > hard for me to confirm.
> >
> > There is no noise or whining of any sort, so I don't think the rear hub
> > bearing is bad.
> >
> > The only thing that I can think of is the hub's octagon fixing-nut has
come
> > loose somehow and the rear hub bearing is now sitting in a slightly
offset
> > position.
> >
> > Any other thoughts before I start ripping the rear end all apart?
> >
> > Alan
> >
> > '52 A90
> > '53 BN1
> > '64 BJ8
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