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Home >> Buick >> 2003 >> Century Custom >> Repair and Diagnosis >> Brakes >> Traction Control >> Antilock Brake System >> Repair Instructions >> Wheel Speed Sensor Replacement - Front >> Removal Procedure

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. Refer to WHEEL BEARING/HUB REPLACEMENT - FRONT in Front Suspension.

  1. Raise and support the vehicle on a suitable hoist. Refer to LIFTING AND JACKING THE VEHICLE in General Information.
  2. Remove the front tire and wheel assembly. Refer to TIRE AND WHEEL REMOVAL AND INSTALLATION in Tire and Wheels.
  3. Disconnect the front wheel speed sensor jumper harness electrical connector (1).
    Fig 1: Disconnecting Front Wheel Speed Sensor Jumper Harness Electrical Connector
    G01569900Courtesy of GENERAL MOTORS CORP.
  4. Remove the hub and bearing assembly (2). Refer to WHEEL BEARING/HUB REPLACEMENT - FRONT in Front Suspension.
    Fig 2: View Of Hub And Bearing Assembly
    G01569901Courtesy of GENERAL MOTORS CORP.
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