Often, you will need to remove a wheel or bracket to access the sensor. This will vary depending on the vehicle and the sensor that you are replacing. Step 2: Remove the sensor. Once you have accessed the sensor, disconnect the connector and remove the single bolt that secures the sensor. Step 3: Take note of the sensor wire routing. Ensure you note down the correct sensor wire path as it is crucial that the sensor wire be routed correctly.
Failing to do this will result in damage wiring and a failed repair. Step 1: Clean the sensor mounting hole. Before installing the sensor, be sure to use some sandpaper and brake cleaner to clean the sensor mounting hole.
Step 2: Clean the tone ring of all fine metal. The ridges on the tone ring will often gather fine metal that is present in dirt. Be sure to remove all this fine metal. Step 1: Prepare to install the sensor.
Before installing the sensor, apply some Sil-Glyde to the sensor o-ring. Step 2: Insert the sensor into its mounting hole. Be sure to insert the ABS speed sensor with a twisting action. If you have cleaned the mounting hole, it should slide in easily. Step 3: Route the sensor wire along the correct path. Be sure the wire is secured along the correct path. Step 4: Connect the sensor connector to the vehicle connector. Be sure to listen for an audible click that indicates the connector is locked into place.
If you cannot pull it apart, it is secured correctly. Step 1: Clear the code. Connect the scan tool and clear the code. Once the code is cleared, navigate to data for the sensor that you just replaced. Step 2: Test drive the car. Take the car for a test drive at speeds above 35 miles per hour. Monitor the data to make sure the sensor sends the right information to the powertrain control module PCM.
Ensure that you are safe while driving and monitoring data. Ideally, it is best to ask a helper to watch the data for you. It is very common to accidentally replace the wrong sensor, especially when you are working on a car with sensors on every wheel. To ensure that you replace the right sensor, use the multimeter to test the sensor that you suspect is faulty, before you remove it.
If you should need help in performing this process, get a certified technician from YourMechanic to replace the ABS speed sensor for you. Ask them to perform a detailed inspection if the ABS light is still on.
Our certified mobile mechanics perform over services, including diagnostics, brakes, oil changes, scheduled mileage maintenances, and will come to you with all necessary parts and tools. Our certified mobile mechanics make house calls in over 2, U. Fast, free online quotes for your car repair. Usually, this is necessary for early pre-OBD II systems, but is not necessary for later model vehicles. Part 2 of 5: Remove the speed sensor Step 1: Gain access to the sensor.
Tip : When removing the sensor from its mounting or housing, you may need to apply some spray penetrant. Once you have applied the penetrant, rotate the sensor to break it free. Be gentle and patient. Once it begins to rotate, slowly and firmly pull up on the sensor.
Often, you can use a flat head screwdriver to help with the lifting. Part 3 of 5: Clean the sensor mounting hole and tone ring Step 1: Clean the sensor mounting hole. Part 4 of 5: Install the sensor Step 1: Prepare to install the sensor.
Sil-Glyde is recommended as the first choice, but other lubricants can be used. Just ensure that you use grease that is compatible with rubber. You only need to break the lug nuts loose so that it is easier to remove the wheel once it is up off the ground.
Raise the vehicle onto jack stands. Lift up on the front jack point of the vehicle located behind the radiator using a floor jack. The jack point will normally be the front cross-member or an extension of the frame of the vehicle used specifically as a jack point. Place jack stands underneath the front pinch welds of the vehicle, located underneath the driver and passenger side doors, and lower the vehicle onto the jack stands.
Finish removing the wheel lug nuts and pull the wheel off the wheel hub assembly. Locate the ABS sensor on the wheel hub assembly. Normally, this will look like a small black box mounted to the wheel hub. Remove the screws or bolts that hold your ABS sensor in place and pull the sensor off the hub with a screwdriver or socket wrench.
Align the mounting holes on the new sensor with the mounting holes on the wheel hub for the new ABS sensor. Lower the vehicle to the ground and tighten the wheel lug nuts to between 75 and foot-pounds, depending on the vehicle's wheel lug nut torque specifications, using a torque wrench. I am a Registered Financial Consultant with 6 years experience in the financial services industry.
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Step 3 Raise the vehicle onto jack stands.
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