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Re: Tach needle calibration



Thanks! I just wanted to confirm that there was no special trick to zeroing the needle (like the tick mark that the speedo needle lines up on).

Grace

On Wed, 15 August 2001, Dan Bubb wrote:

> 
> The tach needle should point at zero when at rest. It has an internal
> stop unlike the speedo that has a pin stop for the needle.
> Other than getting the needle zeroed, I would think calibration would
> need a specialist. 
> 
> Grace Huntzinger wrote:
> > 
> > I replaced the speedometer in my scirocco yesterday, and the tach is now off by 1500-2000 RPM.  At rest, the needle now points to the middle of the water temp gauge, so I assume I need to reposition the needle.  Can anyone tell me where the tach needle should line up when at rest and/or how to calibrate the tack?
> > 
> > This is in an 87 16V, and the tach is a VDO.
> > 
> > Thanks,
> > 
> > Grace
> > 
> > --
> > '87 16V
> > 
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'87 16V

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