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post #1 of (permalink) Old 02-27-2003, 11:07 AM
CHUCKDJEEPSTER
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SPEEDO CABLE QUESTIONS

IS THE GEAR ON THE TRANSFER CASE END OF THE CABLE SUPPOSED TO BE ATTACHED TO THE CABLE OR CAN YOU PULL IT OFF?
AND, I WAS READING UP ON DRIVE GEARS, WHICH END IS THAT?
THANKS [img]images/graemlins/AR15firing.gif[/img]
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post #2 of (permalink) Old 02-27-2003, 11:52 AM
 
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Re: SPEEDO CABLE QUESTIONS

The speedo gear has a gear on one end and a shaft on the other. The gear turns by the driveline. On the cable end of the gear, there is a flat spot (or teeth) that the cable fits over.
I changed mine twice in the last month. You just unscrew the nut on the end of the cable, pull the cable out of the the way, pull the gear out with your fingers. Its easy.
I hope I answered what you were asking

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post #3 of (permalink) Old 02-27-2003, 12:24 PM
CHUCKDJEEPSTER
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Re: SPEEDO CABLE QUESTIONS

That helps. The gear should not come off just by pulling on it, right. Mine almost came off in the t/c. [img]images/graemlins/grin.gif[/img]
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post #4 of (permalink) Old 02-27-2003, 03:33 PM
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Re: SPEEDO CABLE QUESTIONS

The rotating core of the cable is a loose fit into the plastic gear. It will come right out, leaving the gear in the transfer case. Then you can grab the end of the gear with needle-nosed pliers and pull it out of the TC.
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post #5 of (permalink) Old 02-27-2003, 03:42 PM
 
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Re: SPEEDO CABLE QUESTIONS

I don't mean to contradict you, but it seems the gear would have to be solid to the shaft or it wouldn't turn the shaft, thus turning the cable. I seem to remember the gear being solidly attached to the shaft.

Mabye I just got lucky and the gear came out with the shaft?
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post #6 of (permalink) Old 02-27-2003, 04:24 PM
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Re: SPEEDO CABLE QUESTIONS

Every speedo cable I've ever seen has been swaged square for the last inch or so on the transmission end, and the gear has a square hole in it. The speedo end usually has a square sleeve crimped on to drive the instrument.

They could well have come up with something different in later years before electronic speedos, but that's the way it's been since the crust cooled - at least from my '55 Chevy to my '78 CJ. Now that I think about it, my MGs might have had something different, like a flat tip instead of square, but the idea was the same.

Or are you talking about the drive gear on the transfer case output shaft? Usually that's a press fit, but sometimes the shaft is threaded and a nut secures the gear.

The plastic speedo gear is roughly mushroom-shaped, with the gear teeth on the cap of the mushroom, and the stem, with the square drive hole, fitting inside an adapter. The adapter holds the gear in position in the transfer case, and is threaded for the nut on the end of the cable sheath.
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