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C4 leaking at the speedometer cable

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Old Apr 16, 2023 | 03:04 PM
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C4 leaking at the speedometer cable

Hopefully I can get an easy fix for a persistent issue. I've yet to get my 56 F100 on the road but it continues to leak from the speedometer cable. I know, a 56 didn't come with a C4 but thanks to Flat-O mine has a C4. I have installed 3 different speedometer cables from two different manufacturers but all leak. Now this is while the vehicle is sitting since I've yet to get to drive my F100 on the road. So has anyone got any ideas?
 
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Old Apr 16, 2023 | 05:09 PM
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have you put a gasket between the cable and tailshaft?
if i remember correctly, there should also be an o-ring or two in the cable end too.
 
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Old Apr 16, 2023 | 05:28 PM
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I can't find where a gasket (I'm assuming an o ring) would go. It's just a push in plug that has a rubber O ring) that's held in with a clip that's bolted into the tail shaft housing.
The oil is dripping out of the cable after the factory crimp.
 
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Old Apr 17, 2023 | 04:25 AM
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Is this the cable itself leaking?
 
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Old Apr 17, 2023 | 09:38 AM
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Yes, I'm not sure how to prevent ATF from getting up into the cable???
 
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Old May 7, 2023 | 09:56 AM
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I was hoping to get this solved but nothing so far. Here's what I have.


Speedometer gear marked 20-3

End of speedometer cable gear does not fit inside


C4 Automatic
 
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