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For 1990-2009 cars only

SMU - Revised Front Wheel Speed Sensor Replacement Procedure

Subject:Revised Front Wheel Speed Sensor Replacement Procedure

Models:1997-1999 Chevrolet Monte Carlo
1997-2001 Chevrolet Lumina



This bulletin is being issued to revise the Front Wheel Speed Sensor Replacement procedure in the ABS/Traction Control sub-section of the Service Manual. Please replace the current information in the Service Manual with the following information.

The following information has been updated within SI. If you are using a paper version of this Service Manual, please make a reference to this bulletin on the affected page.

Wheel Speed Sensor Replacement (Front)

Removal Procedure


    Object Number: 161069  Size: SH

    Important: The front sensor is serviceable only as an assembly. DO NOT attempt to service the sensor harness pigtail as it is part of the sensor.

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  2. Disconnect the front electrical connector.
  3. Remove the bolt retaining the sensor pigtail wire.
  4. Remove the 2 bolts retaining sensor to the steering knuckle.
  5. Remove the sensor.

Installation Procedure


    Object Number: 161069  Size: SH

    Important: Make sure the sensor guide pins are properly aligned and sensor is seated.

  1. Install the front wheel speed sensor.
  2. Notice: Refer to Fastener Notice in Cautions and Notices.

  3. Install the sensor retaining bolts.
  4. Tighten
    Tighten to 70 N·m (52 lb ft).

  5. Reconnect the electrical connector to front wheel speed sensor.