1. Disconnect battery negative lead and speed sensor harness in engine bay. Remove the bolt holding the sensor harness bracket. Pay attention to the placement and positioning of the harness positioning clip;
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2. Remove the positioning bolts from the front wheel hub sensor. Remove the front wheel speed sensor by taking it directly out of the housing. Do not damage the sensor contacts and clean and replace them as needed.
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3. The wheel speed sensor is a sensor used to measure the speed of the car wheel. The commonly used wheel speed sensors mainly include magnetoelectric wheel speed sensor and Hall wheel speed sensor.