[T3] Recalibrate speedometer

Jacob Adam Schroeder jacob.schroeder at gmail.com
Thu May 7 13:24:53 PDT 2015

Yes.  So my needle does not move off at all until I'm going about 10 mph.
When I'm driving at 30 mph (according to my smartphone's GPS), the
speedometer reads 20 mph.  When I'm driving at 70 mph, the speedometer
reads 60.  I will confirm again on my drive home from work, but it appears
that my speedometer registers 10 mph under regardless of which speed I

I have owned this car for about 20 years and I have never taken this apart,
whether the PO did is another question.

On Thu, May 7, 2015 at 10:25 AM, Mike Fritz <mwfritz at lycos.com> wrote:

> On 5/7/2015 9:43 AM, Jacob Adam Schroeder wrote:
>> I have a 1972 Squareback and my speedometer is consistently about 10 mph
>> slow.  Is this just a case of my speedometer needing to be recalibrated?
>> Is this something that is easy to do or are specialized tools required?
>> Thanks!
>> Jacob
> I suppose that depends. When you say "consistently about 10mph slow", do
> you mean at 10 MPH it's registering 0 MPH? At 30 MPH, it's registering 20
> MPH? I guess my question is: Is the deviation linear?
> Regards,
> Mike
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