[Healeys] Jumpy Speedo

[Norman Nock]

BOB ... The first thing you do with a jumping speedo
needle is replace the inner cable , pull out yours and
have a local speedo shop make you a new inner cable
... check my Tech Talk booj page 149 ... BMC SERVICE
BULLETIN 
 DO NOT grease your inner cable , if grease gets into
the speedo head you would have to rebuild it ...Norman
Nock




--- Bob Spidell <bspidell at comcast.net> wrote:

> Not that kind of Speedo ;)
> 
> I had the speedometer in my BJ8 modified for a 3.5
> rear end a few years 
> ago.  It's performed flawlessly until recently, when
> it began to get 
> "jumpy" (will indicate correctly for a second or
> two, then jump 10-15mph 
> higher momentarily, then settle back down--more or
> less consistently).   
> I've cleaned and re-lubed the cable to no effect,
> and with a road trip 
> coming up don't have time to take it to a shop.
> 
> Can these be easily disassembled--I just need to
> remove the cover--and 
> cleaned, say, with a no-residue electronics spray
> cleaner?   Are tiny 
> bits going to fall all over my garage floor and
> disappear into the fifth 
> dimension, never to be seen again?  If not, I'm
> thinking a light coat of 
> silicone lube on the moving parts, or should I leave
> it dry?  Do the 
> bearings or other internal parts wear out in 20-30K
> of driving?
> 
> Appreciate any and all replies.
> 
> 
> bs
> 
> -- 
>
*******************************************************************
> Bob Spidell           San Jose, CA           
> bspidell at comcast.net
>
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