Here’s what you’ll need to replace the speed sensor on a 1999 Hyundai Elantra:
- A flat-head screwdriver
- A Phillips-head screwdriver
- A 10mm socket
- A ratchet
- A new speed sensor
Here are the steps to follow to replace the speed sensor on a 1999 Hyundai Elantra:
- Disconnect the battery. This is a safety measure that will prevent the engine from starting while you are working on the speed sensor.
- Locate the speed sensor. The speed sensor is located on the back of the transmission, near the left front wheel. It is a small, cylindrical object that has two wires running into it.
- Remove the bolts that hold the speed sensor in place. There are two bolts that hold the speed sensor in place. Use a 10mm socket to remove them.
- Disconnect the wires from the speed sensor. There are two wires that connect to the speed sensor. Disconnect them by pressing on the release tab on each wire connector and pulling them apart.
- Remove the old speed sensor from the transmission. Pull gently on the speed sensor to remove it from the transmission.
- Install the new speed sensor. Insert the new speed sensor into the transmission and hand-tighten the two bolts that hold it in place.
- Reconnect the wires to the speed sensor. Connect the two wires to the speed sensor by pushing them together and pressing on the release tab on each wire connector.
- Tighten the bolts that hold the speed sensor in place. Use a 10mm socket to tighten the two bolts that hold the speed sensor in place.
- Reconnect the battery.
Once you have completed these steps, the new speed sensor should be installed and functioning properly.
