Installation Procedure

IMPORTANT: DO NOT refinish previously painted sensors.

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

Fig 1: Aligning Keyhole With Key

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

Fig 2: View Of Rear Object Sensor Housing

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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.

Fig 3: View Of Spring & Housing

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Fig 4: View Of Rear Object Sensor Assembly

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Install the decoupling ring (2) to the sensor (1).
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).

Fig 5: View Of Rear Object Sensor Electrical Connectors

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Connect the electrical connector.
Install the rear bumper fascia. Refer to Fascia Replacement - Rear Bumper (Pontiac) , Fascia Replacement - Rear Bumper (Buick) or Fascia Replacement - Rear Bumper (Chevrolet) .