[T3] Speedometer Nonsense

[William J]

If you stiil have an old cable you can pull the speedo out and chuck a short 
section of the cable in a drill , first note the direction the cable turns 
the speedo I thinks it's CCW . You can use anything that will fit the speedo 
square drive hole . This way you will know if it's the speedo or cable. Also 
if the cable is not lubed proper and I have no idea if the replacements are 
that can cause the needle to jump and also make noise. My 2 cents for what 
it's worth.
----- Original Message ----- 
From: "Daniel Nohejl" <d.nohejl at gmail.com>
To: <type3 at vwtype3.org>
Sent: Friday, May 20, 2016 2:17 PM
Subject: [T3] Speedometer Nonsense


>I posted about this issue a few weeks ago but it was buried in another post 
>about the bucking and misfiring issues we’ve been intermittently having and 
>it fell through the cracks.
>
> So here goes:
>
> We’re on our 4th or 5th speedometer cable in 2 years. In general, we’ll 
> install a cable and everything will perform smoothly for several days, 
> weeks, or even a month or so. Then, the needle will start bouncing a bit 
> and then a bit more and then a bit more until it gets really aggravating. 
> At that point, we attempt to re-position the cable but never to any avail 
> so we change cables. I’ve also broken a cable by trying to adjust it while 
> driving and another one seems to have unraveled for some reason. The one 
> currently installed has been in there for maybe 6 weeks. As usual, it was 
> rock solid for 2 or 3 weeks and then it started bouncing between 25 and 
> 30. Then between 0 and 10. Now it bounces between 25 and 35 and from 0-15. 
> The bouncing is also a lot more animated than when it first emerged.
>
> I can’t imagine that the cable has moved: we’ve done nothing under the 
> dash recently; nor have we messed with anything in the driver’s side wheel 
> well. This has me thinking that perhaps something is wrong with our speedo 
> itself though what?
>
> A little over a year ago, we pulled the speedo out and took it apart to 
> lubricate it as it was screeching an howling. While lubrication fixed the 
> noise, the bouncing needle was still there.
>
> Does my speedometer just hate cables or is there something I can do here?
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