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Old Jan 7, 2011 | 05:35 PM
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1977L82's Avatar
1977L82
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Default speedometer

My 77 vette spedo is acting up it is bouncing up and down and as I drive it also make a clicking sound like the turn single does any suggestions
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Old Jan 7, 2011 | 05:47 PM
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time to lube the speedo cable
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Old Jan 8, 2011 | 11:14 PM
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Default speedo

its not the cable or lube.i replaced mine and it still did the same thing. gets up to about 50 then starts bouncing. i also replaced the speedometer housing that the cable goes into. still the same. i purchased a new drive gear but the guy gave me a driven one. so i have to wait to find out if that helps. mine also was off my 20 mph. anybody out there know the cure for this. will the gear help?

Last edited by mario1979c3; Jan 8, 2011 at 11:19 PM.
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Old Jan 9, 2011 | 12:40 AM
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Mine was doing the same thing. Only thing that fixed it was a rebuild.
Good Luck!
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Old Jan 9, 2011 | 02:45 AM
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lurk
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Old Jan 9, 2011 | 03:19 AM
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got mine serviced,but it still does the same!!!
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Old Jan 10, 2011 | 11:49 AM
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Default Vader Vette

Originally Posted by 1977L82
My 77 vette spedo is acting up it is bouncing up and down and as I drive it also make a clicking sound like the turn single does any suggestions
Most of the parts houses sell a screw on adapter to grease the cable .Un-hook the cable at the tranny screw on the adapter and shoot several pumps of white lithium grease (not to much) and hope it works if not your only out a couple of bucks. It worked on my 75.
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