Installation Procedure

WARNING: This page is about a different car, the 2003 Pontiac Aztek and 2003 Buick Rendezvous. 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.
Check the paint thickness to ensure it does not exceed 6 mills using a paint thickness gage suitable for non-ferrous metals.
Align the keyhole (2) with the key (1) and press the rear object sensor bezel flush to the fascia.

Fig 1: Installing Rear Object Sensor Bezel Flush To Fascia
Courtesy of GENERAL MOTORS CORP.
Install the housing to the cutouts on the bezel through the back side of the fascia.

Fig 2: Installing Housing To Cutouts On Bezel
Courtesy of GENERAL MOTORS CORP.

Important: The spring keys must be on the top and bottom of the housing.
Install the spring (1) to the housing (2).

Fig 3: Installing Spring To Housing
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 4: Inserting Sensor Into Housing
Courtesy of GENERAL MOTORS CORP.
Connect the electrical connector to the rear object sensor.
Install the rear bumper fascia. Refer to FASCIA REPLACEMENT -- REAR BUMPER (AZTEK) or FASCIA REPLACEMENT -- REAR BUMPER (RENDEZVOUS) .

Fig 5: Connecting Electrical Connector To Rear Object Sensor
Courtesy of GENERAL MOTORS CORP.