Question about 1989 Oldsmobile Delta 88

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Delta 88 oldsmobile speedometer going out

I have a Delta 88 oldsmobile and the speedometer is acting like its going out. could it just be a sensor and if so, where is it located

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HI. If your speedometer needle doesn't move, or if it flutters, your speedometer cable may be bad.

To determine if it is the cable, disconnect the cable casing from the transmission and from the back of the speedometer on the instrument panel. Draw the cable out from inside of the casing. The cable looks like a twisted piece or wire. If the cable is broken or if it is dry or brittle. It probably needs to be replaced. If the cable is intact and the same length as the cable casing, the problem is likely the speedometer head.

I would also advise to check the speedometer gear as well.

The speedometer gear is located on the output shaft. Inspect it for damage.

This gear rarely suffers damage because the gear from the speedometer that meshes with it is usually made of a softer material. Sometimes, the speedometer gear on the main-shaft is replaceable. A clip can hold it in place or it can be a pressed fit. A special puller is available to pull these gears on the car.

Posted on Sep 09, 2009

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