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Home >> Chevrolet >> 2004 >> Impala V6-3.8L SC VIN 1 >> Repair and Diagnosis >> Brakes and Traction Control >> Antilock Brakes / Traction Control Systems >> Wheel Speed Sensor >> Service and Repair >> Wheel Speed Sensor Replacement - Front
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Wheel Speed Sensor Replacement - Front

Wheel Speed Sensor Replacement - Front

Removal Procedure

Important: The front wheel speed sensors and rings are integral with the hub and bearing assemblies.

If a speed sensor or a ring needs replacement, replace the entire hub and bearing assembly. Do not service the harness pigtail individually because the harness pigtail is part of the sensor.





1. Raise and support the vehicle on a suitable hoist. Refer to Vehicle Lifting.
2. Remove the front tire and wheel assembly.
3. Disconnect the front wheel speed sensor jumper harness electrical connector (1).





4. Remove the hub and bearing assembly (2).

Installation Procedure





1. Install the hub and bearing assembly (2) to the vehicle.





2. Install the front wheel speed sensor jumper harness electrical connector (1).
3. Install the wheel and tire assembly.
4. Lower the vehicle.
5. Turn the ignition switch to the ON position with the engine off.
6. Perform the Diagnostic System Check - ABS.
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