Dave,
Might need a new speedometer cable. I recommend getting the OEM
Nissan ones, as they are the best quality.
Something worth trying is to disconnect the speedometer cable at the
transmission end. Pull out the inner cable, and wipe it down. Relube
lightly with white lithium grease, and reinsert the cable. You might have
to spin the cable around, as the square end will fit back into the speedometer
head. Once you feel the cable seat in all the way, adjust the drive end
to slip back into the transmission.
If all is well.... it was a cheap repair! ;-) Trivia, on the Datsun/Nissan
they like a light coat of grease. Some of the Domestic OEM cars use
only graphite on the cables, so if a Auto Parts place sells you "speedometer"
lube, quite often it is a big tube of graphite. Messy stuff! ;-)
I do not think any vehicles use speedometer cables any more. Almost
all the modern vehicles are electronic.
Cheers,
Tom Walter
Austin, TX
> >
> >I just purchased an 86 300 ZX as a supplement to my broken down roadster.
> >The speedometer will work fine sometimes, then, after a stop it will show
> >145 mph (at about 30 actual mph) . Is there any way to clean or repair this
> >unit? What would cause such a thing? I'm baffled again.
> >
> >Thanx in advance,
> >
> >Dave.
> >SRL311-10444
> >NOWROC
> >
>
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