Reproduction Parts for 1916-1964 Chevrolet Passenger Cars & 1918-1987 Chevrolet & GMC Trucks



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#388168 04/22/17 07:37 PM
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Carlyle Offline OP
Shade Tree Mechanic
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My speedometer will not work in any forward gear but works in reverse? Is it damaged, installed incorrectly, or has a part missing? Carlyle

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Check the speedometer driven gear in your transmission. I ran into this once before and the gear was installed backwards.

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Check the speedo cable come out on the left side of the gear box.
If it come out on the right side the speedometer will goes the wrong way.

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If the gear set is from a late 4 cylinder instead of early 6 the cable will run backwards.


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I agree with Chipper. Do you have another set to compare with?

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Carlyle Offline OP
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Skip, thanks you for helping Mark Murphy with my speedometer. Carlyle

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You bet! Glad to help out.

As Mark discovered after our conversation, the speedometer driven gear was indeed installed backwards.

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