Sierra 1500 2WD V8-5.3L Hybrid (2004)
8. Remove the wheel speed sensor (WSS) mounting bolt.
9. 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.
Remove the wheel speed sensor (5) from the hub/bearing assembly (4) shown on the 2500/3500 series.
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 sensor installation.
