Parking Assist Distance Sensor: Service and Repair

Rear Object Sensor Replacement

Removal Procedure




1. Remove rear bumper fascia. Refer to Rear Bumper Fascia Replacement (Pontiac) (Rear Bumper Fascia Replacement (Pontiac))Rear Bumper Fascia Replacement (Chevrolet) (Rear Bumper Fascia Replacement (Chevrolet)).




2. Lift the locking tabs on the housing (4) and remove the rear object sensor (1).




3. Squeeze the spring (1) and remove it from the housing (2).




4. Release the tabs on the housing and remove.




5. Remove the rear object sensor bezel from the rear fascia.

Installation Procedure

Important: Do not refinish previously painted sensors.


1. Paint the new rear object sensor. Refer to Basecoat/Clearcoat Paint Systems (Basecoat/Clearcoat Paint Systems).
2. Inspect the paint thickness to ensure it does not exceed 6 mm using a paint thickness gauge suitable for non-ferrous metals.




3. Align the keyhole (2) with the key (1) and press the rear object sensor bezel flush to the fascia.




4. Install the housing to the cutouts on the bezel through the back side of the fascia.

Important: The spring keys must be on the top and bottom of the housing.





5. Install the spring (1) to the housing (2).




6. Install the decoupling ring (2) to the sensor (1).
7. Insert the sensor into the housing (4) with the connector pointing toward the passenger side of the fascia. Press the sensor tabs into the cutouts on the housing (4).




8. Connect the electrical connector.
9. Install the rear bumper fascia. Refer to Rear Bumper Fascia Replacement (Pontiac) (Rear Bumper Fascia Replacement (Pontiac))Rear Bumper Fascia Replacement (Chevrolet) (Rear Bumper Fascia Replacement (Chevrolet)).