I'm not really sure what part you removed, but if you put the cable into
the part you did remove and the cable won't turn and appears frozen--you'll
have to take it apart and see. I think off the tailshaft is a long metal
rod with gears on the end that mesh with the tailshaft and the other end
meshes with the drive gear, the drive gear turns the calibration gear and
this gear is where the speedo cable goes into. Here's a link to an exploded
view of a 4 speed tranny--although your may differ the concept is pretty
much the same..
http://www.dandltransmission.com/trans-expl.jpg
Notice item 48-49-50 in the bottom right corner... On this tranny the
speedo cable goes directly into this shaft--as far as I can tell. The
tailshaft turns this shaft and you get speed feedback. Other trannies have
plastic gear sets that can be change if the speedo is reading
incorrectly.. --wayne
At 02:18 PM 5/16/03 +0000, you wrote:
>the cable is square on the end, and does set inside the part i removed, but
>when i put the cable in, i cannot turn the cable, like it's frozen...so what
>your saying is inside the part i removed from the transmission are the
>gears...so i need to take that apart to get to the gears.....i thought the
>gears were on end of this part i removed which then match up inside the
>transmission to the speedo drive gear... I don't have any good info on the
>tranny...I'll have to grab those numbers and pull the part again and try to
>compare it to a working one i guess..
>
>-----Original Message-----
>From: wayne osborne [mailto:wayne@chevytrucks.org]
>Sent: Friday, May 16, 2003 10:08 AM
>To: MMCMSW@aol.com; Karen.Duff@ctbrad.ang.af.mil;
>oletrucks@autox.team.net
>Subject: Re: [oletrucks] speedometer dilemma continues
>
>
>The gear isn't supposed to be on the end of the actual cable. It will be
>inside the transmission. The cable should be square on the end that meshes
>with the plastic gear set on the inside. If you pull the cable, you may see
>a small plate on the inside held with a couple screws. Remove this plate
>and you should see a couple of plastic gears, one of these gears may be
>stripped. They come in different tooth counts to calibrate the speedometer
>and they come in different colors to correspond to tooth counts. Of course
>i'm unsure of what tranny you have but the above could be true in your
>case, could be wrong but it may help.. .
>Please let us know what tranny you have--original or not.. --wayne
>
>
>At 09:21 AM 5/16/03 -0400, MMCMSW@aol.com wrote:
> >Karen, a gear on the end missing will do it every time. Makes you kind of
> >wonder, where it went. Hopefully, it is not in the transmission, wandering
> >around, looking for trouble.
> >oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
>
>Wayne Osborne
>http://www.chevytrucks.org
>http://www.chevytrucks.org/wayne
Wayne Osborne
http://www.chevytrucks.org
http://www.chevytrucks.org/wayne
oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
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