FWIW
My 98 dakota does not have a speedo gear, It has a speedo sensor where the
gear would be. I would think that we should be able to get different
sensors for adjusting the speedo when changing gears and or tire size's.
Colin H
Craig Baltzer wrote:
> The dealer can use the DRB to adjust the speedo for any of the "stock"
> tire sizes. For a Durango (and prob. the Dak), these are 235/75/15 and
> the 31x10.5" (or outter diameters of 28.878" and 31"). Other than that,
> they have to change speedo pinion gears, and there are about 8 sizes
> available for those. What still seems up for debate is if you can get
> away with just changing the speedo pinion gears if you have ABS. There
> is some vague wording in the factory service manual that says the JTEC
> looks at both the ABS sensor speed, and the reading that its getting
> from the transmission speed sensor and compares them. Since there is no
> "ABS pinion gear", its unclear what happens...
>
> Craig
>
> -----Original Message-----
> From: jim miller [mailto:jmiller@texnet.net]
> Sent: September 20, 1998 3:30 PM
> To: dakota-truck@buffnet.net
> Subject: Re: Adjusting speedometer Was: RE:DML: Goodyear dealer says
> "Tires have no mileage warranty"
>
> > Speedo should be able to be adjusted by any local Dodge
> > dealer.
> > Can the speedometer be adjusted for tire changes? If so, does anyone
> > know how much it can be adjusted? (i.e. is there enough "play" in
> there
> > to adjust for something like a rearend ratio change?)
> >
> > -Jon-
> >
>
> I took my 98 Dak to the dealer for a spedo adjust and they tried but
> there are only
> a few step type adjustments available and he could not get mine right.
> I put on
> larger diameter tires than the computer listed so my spedo still reads
> about 3 mph
> slow at 60 mph.
> Jim in Waco
> 98 RC V8 Auto P275 60X15 tires on 15X8 factory rims
> Waiting on 99 R/T
This archive was generated by hypermail 2b29 : Fri Jun 20 2003 - 12:09:53 EDT