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Home >> Cadillac >> 2007 >> Escalade EXT >> Repair and Diagnosis >> Brakes >> Antilock Brake System, Traction Control System & Stability Control System >> Repair Instructions >> Front Wheel Speed Sensor Replacement >> Installation Procedure
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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. IMPORTANT: Use the lubricant supplied in the WSS kit. Do not substitute another type of grease.
  3. Apply a thin layer of lubricant to the hub surface and the WSS O-ring prior to installation.
  4. Install the WSS into the hub/bearing assembly. Ensure that the WSS is seated fully against the hub.
    5. Fig 1: View Of Wheel Speed Sensor Mounting Bolt
    GM924317Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice .
  5. Install the WSS mounting bolt.

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

    6. IMPORTANT: Make sure the WSS cable is properly routed, the wire is not twisted and all clips are secure. Do not allow the wire to contact surrounding vehicle components.
    Fig 2: View Of Wheel Speed Sensor Cable And Connectors
    GM913362Courtesy of GENERAL MOTORS CORP.
  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 front disc brake rotor. Refer to Front Brake Rotor Replacement (1500 Series) or Front Brake Rotor Replacement (2500 Series) .
  11. Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation .
  12. Perform the diagnostic system check. Refer to Diagnostic System Check - Vehicle .
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