Disconnect the speedo cable and confirm that it's turning at low speeds (below
20mph). If so, there might be something impeding the drag cup/spindle
assembly. Remove the speedo's bezel and glass and see if the needle can be
moved easily and smoothly with your finger. The needle could be rubbing
against
the face plate, or there might be something binding internally (if you remove
the needle you'll lose calibration, however).
The drag cup spindle rides on a (jeweled?) bearing one one side, but sits in a
small hole in a brass bracket on the needle side. The brass bracket is
actually
two parts, with a small screw that can pinch the two holes together. I've
never
seen an explanation of this, but assume it's to adjust either the centering of
the spindle or apply some drag to damp the needle.
bs
R. Price Lindsay wrote:
> First I would like thank all those listers that have helped me out over
> the last month or so-it's really appreciated! I hate to be a pain in
> the rear but I have, I hope, one final question.
>
> I put my second angle drive with washer and a new cable on my BJ 8 this
> morning and took it for a drive. The readings were smooth without any
> jump in the needle at slow or fast speeds. My only question/issue is the
> speedo does not read anything until about 20 mph. At that point it works
> like a charm. When I slow down below 20 mph it reads perfectly. Once I
> stop and start again it doesn't read until 20 mph and then it's fine.
>
> My question has two parts 1) has anyone had a similar experience or have
> any ideas on why this would be happening and what a fix would be and 2)
> before I take off for a long drive am I running a risk of breaking
> another angle drive??
>
> Thank you again for your valuable insight.
>
> Price Lindsay
> 67BJ 8
*******************************************************************
Bob Spidell San Jose, CA bspidell@comcast.net
*******************************************************************
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