Front End Discriminating Sensor Replacement

REMOVAL PROCEDURE




1. Disable the SIR system. Refer to Air Bag(s) Arming and Disarming.
2. Remove the grille. Refer to Grille Replacement (GMC) or Grille Replacement (Chevrolet) or Grille Replacement (Oldsmobile) in Exterior Trim.
3. Remove the headlamp wire harness from the retaining clip (1).




4. Raise and support the headlamp wire harness (1) to gain access to the front end discriminating sensor.




5. Loosen the bolts (1) retaining the discriminating sensor to the frame.




6. Remove the discriminating sensor assembly from the frame (1).




7. Position the discriminating sensor assembly above the front bumper.
8. Remove the retaining bolts and protective cover (1) from the discriminating sensor.
9. Remove the connector-position assurance (CPA) from the discriminating sensor electrical connector.
10. Disconnect the discriminating sensor (2) electrical connector.
11. Remove the discriminating sensor from the vehicle.

INSTALLATION PROCEDURE




1. Position the discriminating sensor assembly above the front bumper.
2. Connect the discriminating sensor (2) electrical connector.
3. Install the connector-position assurance (CPA) to the discriminating sensor electrical connector.
4. Install the retaining bolts and protective cover (1) to the discriminating sensor.




5. Position the discriminating sensor assembly to the frame (1).

NOTE: Refer to Fastener Notice in Service Precautions.




6. Install the 2 bolts (1) retaining the discriminating sensor assembly to the frame.

Tighten
Tighten the front end discriminating sensor bolts to 8 N.m (71 lb in).




7. Position the headlamp wire harness (1) to the retaining clip.




8. Install and secure the headlamp wire harness in the retaining clip (1).
9. Install the grille.
10. Enable the SIR system. Refer to Air Bag(s) Arming and Disarming.