C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Odometer Broken Need Help Please

Old Aug 27, 2024 | 03:05 PM
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Default Odometer Broken Need Help Please

Am trying to fix my 84 C4 odometer cause it doesn’t work and when I took it apart I see the piece in the back holding all the pieces together is broken. Anyone know what the part is or where I can find ones thanks!
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Old Aug 27, 2024 | 03:15 PM
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Does that piece just lift off or is it anchored into the mechanism, because I wonder if you could go to junkyard and salvage it from a other vehicle relatively same age bracket with a Analog Odometer
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Old Aug 27, 2024 | 03:16 PM
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If there's still a speedometer repair shop in your area it would be for sure likely available there. That's a 7 roll indexing retainer.
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Old Aug 27, 2024 | 03:18 PM
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Originally Posted by s carter
Does that piece just lift off or is it anchored into the mechanism, because I wonder if you could go to junkyard and salvage it from a other vehicle relatively same age bracket with a Analog Odometer
It lifts off
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Old Aug 27, 2024 | 03:18 PM
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Originally Posted by WVZR-1
If there's still a speedometer repair shop in your area it would be for sure likely available there. That's a 6 roll indexing retainer.
There isn’t. I see eBay is selling odometers that work. Would I be able to just swap it out?
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Old Aug 27, 2024 | 03:27 PM
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Originally Posted by Trentin_Halp
There isn’t. I see eBay is selling odometers that work. Would I be able to just swap it out?
Message this guy on eBay and supply him your snapshot. He mentions having many odometer, speedometer parts for earlier GM

https://www.ebay.com/itm/40488972622...Bk9SR97C-tOyZA

*** Fabricate your own ?

Last edited by WVZR-1; Aug 27, 2024 at 03:38 PM.
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Old Aug 27, 2024 | 03:36 PM
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Originally Posted by WVZR-1
Message this guy on eBay and supply him your snapshot. He mentions having many odometer, speedometer parts for earlier GM

https://www.ebay.com/itm/40488972622...Bk9SR97C-tOyZA
Awesome! Thank you!
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Old Aug 29, 2024 | 06:32 AM
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Ages ago I had the same issue, so I used an exacto and cut one out of a 2 liter pop bottle.

On my 89, it doesn't have that piece, those tabs fit in a slot in the housing.
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Those were designed to reveal odometer tampering, so they're intentionally flimsy. Cutting a piece out of something as 64Scout said would work well enough.
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