Front Wheel Speed Sensor Replacement 2 Wheel Drive

Caution: Refer to Brake Dust Caution in the Preface section.

1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
2. Remove the tire and wheel. Refer to Tire and Wheel Removal and Installation .
3. Remove the brake rotor (2) shown on the 1500 Series. Refer to Front Brake Rotor Replacement .



4. Remove the wheel speed sensor (WSS) cable mounting clip from the knuckle.
5. Remove the WSS cable mounting clip from the upper control arm.
6. Remove the WSS cable mounting clip from the frame attachment point.
7. Remove the WSS cable electrical connector.



8. Remove the WSS mounting bolt.




NOTICE: Carefully remove the sensor by pulling it straight out of the bore. DO NOT use a screwdriver, or other device to pry the sensor out of the bore. Prying will cause the sensor body to break off in the bore.

9. Remove the WSS (5) from the hub/bearing assembly (4) shown on the 2500/3500 series.

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 sensor installation.



4. Install the WSS (5) into the hub/bearing assembly (4) shown on the 2500/3500 series. Ensure that the sensor is seated flat against the hub.

Notice: Refer to Fastener Notice in the Preface section.




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) shown on the 1500 Series. Refer to Front Brake Rotor Replacement .
11. Install the tire and wheel. Refer to Tire and Wheel Removal and Installation .
12. Perform the Diagnostic System Check - Vehicle .

Front Wheel Speed Sensor Replacement 4 Wheel Drive

Caution: Refer to Brake Dust Caution in the Preface section.

1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
2. Remove the tire and wheel. Refer to Tire and Wheel Removal and Installation .
3. Remove the brake rotor (2) shown on the 1500 Series. Refer to Front Brake Rotor Replacement .



4. Remove the wheel speed sensor (WSS) cable mounting clip from the knuckle.
5. Remove the WSS cable mounting clip from the upper control arm.
6. Remove the WSS cable mounting clip from the frame attachment point.
7. Remove the WSS cable electrical connector.



8. Remove the WSS mounting bolt.




NOTICE: Carefully remove the sensor by pulling it straight out of the bore. DO NOT use a screwdriver, or other device to pry the sensor out of the bore. Prying will cause the sensor body to break off in the bore.

9. Remove the WSS (5) from the hub/bearing assembly (4) shown on the 2500/3500 series.

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 sensor installation.



4. Install the WSS (5) into the hub/bearing assembly (4) shown on the 2500/3500 series. Ensure that the sensor is seated flat against the hub.

Notice: Refer to Fastener Notice in the Preface section.




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) shown on the 1500 Series. Refer to Front Brake Rotor Replacement .
11. Install the tire and wheel. Refer to Tire and Wheel Removal and Installation .
12. Perform the Diagnostic System Check - Vehicle .