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Home >> Pontiac >> 2004 >> Aztek Base, FWD >> Repair and Diagnosis >> Brakes >> Antilock Brake System And Traction Control System >> Repair Instructions >> Wheel Speed Sensor Replacement - Front >> Removal Procedure
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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 Tires and Wheels.
  3. Remove the front wheel speed sensor jumper harness electrical connector (1) from the front wheel speed sensor connector (3).
    Fig 1: Front Wheel Speed Sensor Jumper Harness Electrical Connector
    GM385475Courtesy of GENERAL MOTORS CORP.
  4. Fig 2: Hub & Bearing Assembly - Front
    GM188804Courtesy of GENERAL MOTORS CORP.
  5. Remove the hub and bearing assembly (2). Refer to Wheel Bearing/Hub Replacement - Front in Front Suspension.