Speedometer head or cable making noise

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73orangewhitebronco
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Speedometer head or cable making noise

Post by 73orangewhitebronco » Wed Jan 04, 2012 7:50 am

I wonder if anyone has had the issue I'm having. The speedometer in my 73 works fine but is beginning to make noise on occasion. It's kind of a rubbing noise I guess. When it does it, the speedometer needle begins to jump around and read 7-10 miles per hour higher than I'm going. It calms down after a minute or two then will begin again. It doesn't do it all the time and seems to be more frequent the faster I go. I'm wondering if it's the head itself or perhaps the cable. Anyone have any thoughts?

Thanks.

Don
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Stan
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Post by Stan » Wed Jan 04, 2012 2:04 pm

Never tried it Don ; but someone told me they took their speedo cable out and hung it verticaly and poured oil into it from the " head" end and let it sit untill the oil came out the "gear" end - said it worked - just needed some lube.
Stan
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73orangewhitebronco
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Post by 73orangewhitebronco » Wed Jan 04, 2012 3:28 pm

That would be easy enough to try. I had something similar long ago in my 1954 F-100 and it ended up being a frayed cable but this seems different. I think I'll give the cable a look though, just because it's pretty easy to do. Thanks for the idea Stan.
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jumping speedo guage, dragging cable

Post by bearskinner » Thu Jan 05, 2012 6:54 am

Thats exactly what happened to mine. I used marvelous mystery oil, and dripped it down the cable. went back and hit it again a few hours later. I never had a problem with it for 8 years after that, then sold the truck.

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Post by jprangenberg » Sat Jan 07, 2012 11:56 pm

Your cable is dry and only need to be lubed. The 10 MPH jump is due to drag. Use something heavier than DW 40 to fix it.

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69brightbluebronco
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Post by 69brightbluebronco » Sun Jan 08, 2012 6:23 pm

maybe some brake cleaner or carb cleaner first to flush out and break down build up. then follow with a light oil or graphite?
Kyle
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Post by 73orangewhitebronco » Thu Jan 12, 2012 6:13 am

That lubing the cable seems an easy thing to try. I figured someone out there would have had the problem. Thanks for the tips.
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Post by 73orangewhitebronco » Wed May 30, 2012 7:55 pm

Just to complete the string, the lube in the cable fixed it all up. No more problem. Just a couple squirts of 30 weight did the trick. Thanks to all who chimed in and for anyone looking for a solution to this problem, try this simple thing first.
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regshawn
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Post by regshawn » Thu May 31, 2012 7:25 am

I'm just curious why you took the time to pull it out then did not just spend the $20.00 to put a new one back in? I'm cheap and understand, but $20.00 is less than going to the movies by yourself. :? Hell you can pick one up at NAPA.
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73orangewhitebronco
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Post by 73orangewhitebronco » Thu May 31, 2012 8:46 am

I didn't even work that hard. I disconnected the end on the speedo head, put some oil in, and let gravity do the rest. It's all down hill from the upper end.
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regshawn
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Post by regshawn » Thu May 31, 2012 11:53 am

73orangewhitebronco wrote:I didn't even work that hard. I disconnected the end on the speedo head, put some oil in, and let gravity do the rest. It's all down hill from the upper end.
True it is all down hill!
"I've got an idea-an idea so smart that my head would explode if I even began to know what I'm talking about." -Peter Griffin

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69brightbluebronco
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Post by 69brightbluebronco » Fri Jun 01, 2012 9:45 pm

i was goign to ask if you fixed that yet when i was home last weekend, could have helped too!. oh well.
Kyle
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33 BFG MT, D44 from a 72, 411s with trac lock in rear, custom bumpers, PS, 4 core radiator, and some pro comp lights

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