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Your car’s speedometer is an incredibly important feature when it comes to safety and law compliance. The speedometer drive gear can usually be found mounted inside the car’s transmission. The gear works with a sheathed cable to translate your speed through the dial, which displays your car speed on the speedometer. The gear is turned mechanically by an internal gear in the transmission, which consequently turns the cable inside the sheath. It attaches to the instrument cluster, where the rotation is converted into the speedometer needle’s motion. If the speedometer drive gear is broken or stripped, it will not provide the proper reading to the cluster.
The speedometer drive gear is lubricated by internal transmission fluid, and regular maintenance is not specifically required. If you suspect a problem with your speedometer cable drive gear, have one of our expert mechanics inspect and repair it.
The speedometer drive gear won’t affect the performance of your vehicle. It turns the dial on the speedometer from behind the dashboard. An improperly operating speedometer can result in a speeding ticket. Have your speedometer drive gear replaced as soon as you are able to.