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06-17-2018, 04:46 PM | #1 |
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Join Date: May 2010
Location: Fairfax, VA
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Speedometer boucing
I've lubed it several times, Checked the cable for kinks. Smoothes out at 52mph??
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06-17-2018, 04:56 PM | #2 |
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Re: Speedometer boucing
it should be serviced. it sounds like it is hanging up someplace. papanick
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06-17-2018, 04:56 PM | #3 |
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Re: Speedometer boucing
let me know at [email protected]
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06-17-2018, 09:17 PM | #4 |
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Join Date: Jan 2014
Location: San Jose, CA
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Re: Speedometer boucing
Had the same problems along with a very loud sound while driving...it turned out that it required more than lube... the gear was shot, so we disconnected...now I have to guess how fast I am going!
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06-17-2018, 09:25 PM | #5 |
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Location: Fairfax, VA
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Re: Speedometer boucing
sometimes I can hear scuffing. I really don't want to remove the mech. Can I spray something to help?
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06-17-2018, 10:36 PM | #6 |
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Re: Speedometer boucing
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06-17-2018, 11:46 PM | #7 |
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Re: Speedometer boucing
Remove the inner cable and soak it in solvent to remove all old lube. Clean the old lube from the ID of cable housing. Relube the inner cable with a mix of light oil and graphite, and reassemble the cable to the speedo head, and turtle.
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06-18-2018, 05:57 AM | #8 |
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Join Date: May 2010
Location: shirley ny
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Re: Speedometer boucing
I had a similar problem with my 46 merc, removed the speedo gauge and lubed it with a few drops of oil,there is a small lead plug that needs to be removed to do it,that fixed the problem
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06-18-2018, 10:23 AM | #9 |
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Location: Shelton, WA
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Re: Speedometer boucing
If the cable isn't the problem there is a good chance the bushings in the speedo have worn to the point where the drum that the needle is attached to is contacting the spinning part that makes it work. I forget which side has the magnet but basically there are 2 parts that are very close to each other and when the bushings get worn, they can make contact and the needle will jump. I think this possibility is what the #2 post was probably alluding to.
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06-18-2018, 12:23 PM | #10 |
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Location: San Antonio, Texas
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Re: Speedometer boucing
I don't know what speedometer you have or for what car but they are mostly all rotating magnet with a drag cup as deuce roadster mentioned. Sometimes lubricating the magnet rotor shaft will do the trick and sometimes it won't. Many of the old Ford types have a way to access the oiler wick for that shaft but not all do. There are folks that rebuild speedometers of all types out there but I don't know who to suggest. It helps to know make & model plus any info about the subcontractor that originally made it can help too. Several companies made them for Ford back in the day.
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06-18-2018, 12:26 PM | #11 |
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Re: Speedometer boucing
Send your speedo to papanick and/or contact him for some guidance.
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06-18-2018, 10:57 PM | #12 |
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Location: Auburn, MA
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Re: Speedometer boucing
I use my GPS for speed
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06-22-2018, 04:22 PM | #13 |
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Location: gouverneur n,y,
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Re: Speedometer boucing
let me know if you like to get it serviced. paanick
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