Speedo issues

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takehikes
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Speedo issues

Postby takehikes » Thu Dec 07, 2017 9:42 am

Bought a used speedo to put in my 68 as my odometer quit working. Worked great first couple days. Then it got cold. In the morning last couple days it made a heck of a racket, you could hear it was a rotational sound. Needle would fly wildly around the dial. However on way home when warmer no noise and worked fine. I was going to look in to it this weekend but this morning it made way more noise. Needle went nuts then buried itself on the low side completely out of sight and stayed there. I'm fearful to lube anything as don't think the speedo or odometer take lube. Looking for any ideas.

Any suggestions?
1968 F100 SWB Flareside, 240-6, 3 speed, 3.70 rear, bone stock and rust free.

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basketcase0302
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Re: Speedo issues

Postby basketcase0302 » Thu Dec 07, 2017 5:55 pm

"takehikes" Bought a used speedo to put in my 68 as my odometer quit working. Worked great first couple days. Then it got cold. In the morning last couple days it made a heck of a racket, you could hear it was a rotational sound. Needle would fly wildly around the dial. However on way home when warmer no noise and worked fine. I was going to look in to it this weekend but this morning it made way more noise. Needle went nuts then buried itself on the low side completely out of sight and stayed there. I'm fearful to lube anything as don't think the speedo or odometer take lube. Looking for any ideas.
Any suggestions?


The cable assembly takes spray lithium grease. Unscrew it from the speedo housing and spray down the cable sheath. But it sounds like your gonna find the end of the cable eaten up, (possibly something in the speedo bound up or more than likely the plastic gear on the tranny end seized causing the cable to bind).
Here's a good image of the cable less the plastic gear on the tranny end that connects using a c-clip:

Image
Jeff
viewtopic.php?f=22&t=46251
SOLD-71 F-350 dually flatbed, 302 / .030 over V-8 with a "baby"C-6, B & M truckshifter, Dana70/4.11 ratio, intermittent wipers, tilt steering, full LED lighting on the flat bed, and no stereo yet (this way I can hear the rattles to diagnose)! SOLD!
Many Ford bumps / one 76' EB / and several dents through the years.
A lot of "oddball" Ford parts collected from working on them for 34 years now!
2008 Ford Escape 4 x 4

takehikes
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Re: Speedo issues

Postby takehikes » Mon Dec 11, 2017 10:05 am

Lubed cable and it works fine with no noise. Odometer still working but speedo needle is buried completely out of sight and hasnt moved.
Not sure whats going on.
1968 F100 SWB Flareside, 240-6, 3 speed, 3.70 rear, bone stock and rust free.

pchelp101
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Re: Speedo issues

Postby pchelp101 » Mon Dec 11, 2017 1:51 pm

basketcase0302 wrote:
Image


What is the correct length for the cable?
1969 F100, 390, 3 Speed, 2WD

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basketcase0302
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Re: Speedo issues

Postby basketcase0302 » Mon Dec 11, 2017 3:44 pm

"takehikes"]Lubed cable and it works fine with no noise. Odometer still working but speedo needle is buried completely out of sight and hasnt moved. Not sure whats going on.


I don't think there could be any thing else here but a bad gauge, (if the odometer is still logging miles and the speedo is buried).
And the DOT basically made them tamper proof so we could not roll the miles back, (legally).

Image

I've got a cable here but will have to dig, (it's in the bottom of four heavy very large boxes of parts) to measure.
Maybe someone else can come along that has one easier to measure pchelp101. :pray:
Jeff
viewtopic.php?f=22&t=46251
SOLD-71 F-350 dually flatbed, 302 / .030 over V-8 with a "baby"C-6, B & M truckshifter, Dana70/4.11 ratio, intermittent wipers, tilt steering, full LED lighting on the flat bed, and no stereo yet (this way I can hear the rattles to diagnose)! SOLD!
Many Ford bumps / one 76' EB / and several dents through the years.
A lot of "oddball" Ford parts collected from working on them for 34 years now!
2008 Ford Escape 4 x 4


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