[Healeys] Rear End Shimmy

[pennell at cox.net]

Alan,

I like Larry's suggestion.  Have you also checked for warped rotors in the rear?

Keith Pennell

> 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