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Installation Procedure

WARNING: This page is about a different car, the 2007 Pontiac Montana SV6, 2007 Chevrolet Uplander, and 2007 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.

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

GM500505

Courtesy of GENERAL MOTORS CORP.

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

GM489064

Courtesy of GENERAL MOTORS CORP.

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

GM489063

Courtesy of GENERAL MOTORS CORP.

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

Fig 4: View Of Rear Object Sensor Assembly

GM500502

Courtesy of GENERAL MOTORS CORP.

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

GM489061

Courtesy of GENERAL MOTORS CORP.

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