Required tools and materials:
- Socket wrench set
- Ratchet
- Extension
- New speed sensor
- Safety glasses
- Gloves
1. Preparation:
- Engage the parking brake and turn off the engine.
- Locate the speed sensor. It is usually mounted on the rear axle housing or the transmission.
- Refer to your vehicle's service manual for the exact location for your model.
2. Disconnect the Electrical Connector:
- Disconnect the electrical connector from the speed sensor by pressing on the release tab and pulling the connector straight off.
3. Remove the Old Speed Sensor:
- Use a socket wrench and extension to loosen and remove the bolt(s) holding the speed sensor in place.
- Carefully remove the old speed sensor. Be cautious as it may contain residual fluid.
4. Clean the Mounting Area:
- Clean the mounting area where the old sensor was located. Ensure that there is no debris or obstructions.
5. Install the New Speed Sensor:
- Place the new speed sensor into its mounting location.
- Hand-tighten the bolt(s) that hold the sensor.
- Use the socket wrench and extension to tighten the bolt(s) until they are snug.
6. Reconnect the Electrical Connector:
- Reattach the electrical connector to the new speed sensor. Ensure it is securely plugged in.
7. Test the Sensor:
- Start the engine and let it run for a few minutes.
- Drive the vehicle for a short distance to ensure that the speedometer is working correctly.
8. Verify Connection:
- If the speedometer is still not functioning correctly, check the connection between the speed sensor and the transmission or axle.
- Ensure the sensor is installed properly and that the connector is fully engaged.
Note: The exact procedure for some of the steps can vary depending on your vehicle's specific model and build year. If you are unsure about any of these steps, it's recommended to consult a professional mechanic or refer to a reliable repair manual for your vehicle.
