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Home >> Chevrolet >> 2004 >> Astro Van Cargo, AWD >> Repair and Diagnosis >> Brakes >> Traction Control >> Antilock Brake System >> Repair Instructions >> Wheel Speed Sensor Replacement (A4WD) >> Installation Procedure

Installation Procedure

  1. Plug the WSS bore to prevent debris from falling into the hub.
  2. Using a wire brush or equivalent, clean the WSS mounting surface on the hub to remove any rust or corrosion.
  3. Apply a thin layer of wheel bearing lubricant, GM P/N 01051344 to the hub surface and the sensor O-ring prior to the sensor installation.
  4. Install the WSS (5) into the hub/bearing assembly (4).
    Fig 1: View Of Brake Rotor
    GM913496Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  5. Install the WSS mounting bolt.

    Tighten:  Tighten the WSS mounting bolt to 18 N.m (13 lb ft).

  6. Install the WSS cable mounting clip to the knuckle.
  7. Install the WSS cable mounting clip to the upper control arm.
  8. Install the WSS cable mounting clip to the frame attachment point.
  9. Connect the WSS cable electrical connector.
  10. Install the brake rotor (2). Refer to Brake Rotor Replacement - Front in Disc Brakes.
  11. Install the tire and wheel. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  12. Return to Diagnostic Starting Point - Antilock Brake System .
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