Installation Procedure

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Plug the WSS bore to prevent debris from falling into the hub.
Using a wire brush or equivalent, clean the WSS mounting surface on the hub to remove any rust or corrosion.
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.

Fig 1: Exploded View Of Disc Brake Components (2WD)

Courtesy of GENERAL MOTORS CORP.

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.

Fig 2: View Of Wheel Speed Sensor Mounting Bolt

Courtesy of GENERAL MOTORS CORP.

NOTE: Refer to Fastener Notice .

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

Fig 3: View Of Wheel Speed Sensor Cable And Connectors

Courtesy of GENERAL MOTORS CORP.

Install the WSS cable mounting clip to the knuckle.
Install the WSS cable mounting clip to the upper control arm.
Install the WSS cable mounting clip to the frame attachment point.
Connect the WSS cable electrical connector.

Fig 4: Identifying Front Brake & Hub Assembly (2WD)

Courtesy of GENERAL MOTORS CORP.

Install the brake rotor (2) shown on the 1500 Series. Refer to Front Brake Rotor Replacement .
Install the tire and wheel. Refer to Tire and Wheel Removal and Installation .
Perform the vehicle diagnostic system check. Refer to Diagnostic System Check - Vehicle .