[Mgs] Speedo cable stuck in speedo

Michael MacLean rrengineer.mike at att.net
Wed Aug 19 18:02:09 MDT 2020


 Oops.  Wrong PDF.  I cannot find the original Smith's instrument care and installation manual buried somewhere deep in my computer.Mike M

    On Wednesday, August 19, 2020, 3:50:17 PM PDT, Robert's New iPad <mgbobh at gmail.com> wrote:  
 
     You may have bounced the needle to the other side of what looks like a pin at 3-4 mph.  It is flexible (might even be a tiny spring).  If that happened, needle will not be able to get past the pin and will max at 3-4 mph, steadily. 
    That the works were eviscerated by your pulling out the cable seems unlikely. 
  When the bezel and glass are off, try pushing the pin over and setting the needle to zero.  Pull it straight off the shaft; push it straight on.  Once set at zero, push the pin over, then rest the parked needle on the pin.
  Are you taking this opportunity to fit LEDs into the instruments?
Bob


> On Aug 19, 2020, at 6:07 PM, Douglas McKinnie <d.mckinnie at usa.net> wrote:
> 
> 
> Update: Mine had no angle-drive at the speedo, just an angle drive on the
> transmission end.
> 
> I just had feet of "inner" cable attached to the speedo and unwilling to come
> away from it. 
> 
> Following advice here and elsewhere, I grabbed the cable with pliers and
> wiggled and pulled and it did come loose!
> 
> Now it is reinstalled with a new cable, no angle drive at either end.
> Unfortunately, although the odometer and trip meter work fine now, the speed
> needle is very steady at "0" regardless of the speed of the car. It did work
> fine being spun by an anticlockwise drill with the old cable, so I fear that
> my wiggle-and-pull extra force routine has done some damage internal to the
> speedo.
> 
> More research, more thinking!
> 
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