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Speedometer slow and wavering; 16.04 Speedometer
Topic Started: Oct 2 2012, 03:57 PM (283 Views)
johnrb
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Speedo from a '59 dash.
Hook variable speed drill to transmission end of speedo cable.
Run drill to get 30 mph indicated on speedo.
Keep it running steady.
After part of a minute, the speedo needle begins to go lower (slower) on the dial - then jumps back to correct speed for a little - then slows down again - and then jumps back up to speed - etc - you get the picture.
All the while the drill is at constant speed.
Speedo cable is good - no noisiness - no jerkiness - no jitter.
Is this easily fixable or is it broke?
Will it need a complete rebuild by one of the speedo experts out there?

I'd really like to fix it as a replacement looks to be around $100.
Thanks.
John Burch - west burbs of Chicago
1946 2A - now I have one older than me
1949 - me - no longer older than all my vehicles
1954 3B - mostly stock - fun driver and snow plowing
1957 - 6 cyl Station Wagon - hope for the future

past Willys
1954 3B - no tub | 1959 3B - engine in pieces in a box

past addiction - VW
1969 Bus | 1970 Westfalia Camper | 1984 Westfalia Camper
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binthere
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You might be able to pull the cable out from inside the housing, clean it and lubricate it with grafite and slip it back in. Or, I think you can buy just the speedometer cable.
somedays your the windsheild--somedays your the bug

Chuck - Cherryville B.C. Canada


53 3b [0IIIII0] stock except for wheel's and seats " a fistfull of dollars"
49 willys jeepster " a few dollars more"
and a few other retirement toys
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oldtime
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Make sure you lubricate the brass speedometer bushing that the cable end inserts into.
That bushing is the most common source of friction.
Currently building my final F-134 powered 3B .
Rock Crawler using factory parts from the Willys Motors era (1953-1963)

http://s4.zetaboards.com/CJ3B_Bulletin_Board/topic/30228766/1/#new
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