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How do you change the speedometer sensor on a 1993 Toyota Corolla?


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2015-07-15 19:03:43
2015-07-15 19:03:43

The speed sensor itself is located on top of the transmission housing, and it is accessable (though a bit of a reach). Go twords the back of the engine compartment (it's best to look through from the passenger side) If you look straight down from the back end of the fuel injector assembly you'll see a black connector hooked to some wires, right on top of the transmission housing. It's held in place by a single bolt. That is the speed sensor.

To remove it, first unplug the couple (the thing with the wires in it). It snaps in so you'l have to give it a squeeze to get it loose. Then with a 10mm wrench (or close to that) loosen the bolt. Once the bolt is out, grasp the sensor and pull it straight up. It will be oily and will have a gear on the bottom. That gear is spun by another gear inside the transmission. That's how it works.

I would strongly recommend doing some continuity tests with a multimeter. The sensor costs over two hundred freaking dollars.

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