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Replacement Speedometer Cable Question

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Old Jan 29, 2025 | 11:22 AM
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Replacement Speedometer Cable Question

I have a question about a new speedometer cable.

I have cleaned and lubed my current speedo cable and still have a bouncing speedo needle so I am replacing the cable. The new cable came in but I noticed that it does not appear to be lubricated at all. The below is all that the service manual mentions about lube:
“Lubricate the cable core exposed at the transmission ferrule with B5AZ1958I-A lubricant or equivalent. Apply a coating of ESA-MIC45-A or equivalent to the O-ring on the ferrule.”
Do I not need to lube the entire new cable before installation?
 
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Old Jan 29, 2025 | 02:18 PM
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Your problem is more likely in the spedo head and not the cable.
 
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Old Jan 29, 2025 | 03:12 PM
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I replaced mine like 2 weeks ago, no instructions.

I did not add lube or grease, should I have? Probably. It did fix my bouncy needle.

Make sure your nylon gear on the driveshaft side of the cable is in good shape.

If still bouncy its the gauge.
 
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Old Jan 29, 2025 | 06:52 PM
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Thanks for the info.

Hopefully it is just the cable. Even after cleaning it thoroughly a few times the cable was still hard to push through the sheath so I am thinking that may be the issue.

Unfortunately people around my location are acting like jerks so I got held over at work and did not get a chance to work on it today. I will update tomorrow.

​​
 
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Old Jan 29, 2025 | 08:13 PM
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From: Anacortes
Originally Posted by 75over77 F100
Thanks for the info.

Hopefully it is just the cable. Even after cleaning it thoroughly a few times the cable was still hard to push through the sheath so I am thinking that may be the issue.

Unfortunately people around my location are acting like jerks so I got held over at work and did not get a chance to work on it today. I will update tomorrow.

​​
oh ok your just replacing the core then? I just got a whole new set.

Only thing I though was weird is the old cable had a little nylon needle and the new one was just the square brazed end. Spins just fine just wondering why they did that.
 
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Old Jan 29, 2025 | 08:17 PM
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Originally Posted by TheGreatPumpkin
oh ok your just replacing the core then? I just got a whole new set.

Only thing I though was weird is the old cable had a little nylon needle and the new one was just the square brazed end. Spins just fine just wondering why they did that.
No I bought a new cable and sheath. Honestly the core in mine now looks good so I am thinking the sheath has a kink in it or internally it is just gummed up.

I think that I will just use a little Vaseline on the new core when I replace it.
 
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Old Jan 29, 2025 | 08:31 PM
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Hmmm maybe somebody smarter than I knows but I thought plastic and rubbers didn't get along well with vasoline.🤔
 
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Old Jan 30, 2025 | 09:04 AM
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Read below for how I solved the bouncing speedo needle issue on my truck.
Tbruz
https://www.ford-trucks.com/forums/1...-resolved.html
 
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Old Jan 30, 2025 | 06:25 PM
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So I had a chance to swap out the speedometer cable and that fixed the bouncing needle issue.

I ended up just leaving the cable as it was as far as lube.

What a difference between the old and new cable set. The old set took a good about of force to remove and replace the cable and with the new set I had to keep the cap on to keep the cable from sliding out.

I do need to change out the gear but am going to wait until I get my new wheels and tires on.
 
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