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Transmissions and Drivetrains
Dashboard Lights and Gauges
Late Model 1979-New Ford Mustangs

Where is the speedometer driven gear seal on a transmission located?

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2011-06-30 08:23:49
2011-06-30 08:23:49

remove the drive shaft on rear wheel drives and remove the tailshaft cover the speed o gear will be on the shaft

Pay attention, the question was where's the 'driven' gear, If you follow the speedometer cable down to the transmission, the cable is screwed onto a connector on the tail shaft cover. When you remove the cable you see a bolt or screw holding that connector to the housing, remove the bolt and pull the connector out. That gear on the end of it should mesh with the worm gear, (which is the drive gear), on the tail shaft. The seal is on the bottom of the threads where the speedometer cable is attached between the screw on connector and the gear. A black O-ring about the size of a mans wedding ring. this is for all conventional rear wheel drive vehicles. If you have a very new care or a front wheel drive car this could look very different but in any case follow the speedometer cable to the output side of the transmission and look for a way to pull that connector out.

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The drive gear is in the tail shaft of the transmission. The driven gear is on the end of the speedometer cable housing.

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It does not have a speedometer gear. The speedometer is electronic and gets its signal from the ABS and transmission computers from the wheel speed and transmission speed sensors.It does not have a speedometer gear. The speedometer is electronic and gets its signal from the ABS and transmission computers from the wheel speed and transmission speed sensors.

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