Installation Procedure

Fig 1: Installing Rear Object Sensor Bezel

Courtesy of GENERAL MOTORS CORP.

Important:  Do not refinish previously painted sensors.

1. Paint the new rear object sensor.
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.
   Fig 2: Installing Tabs On Housing

   Courtesy of GENERAL MOTORS CORP.

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

   Fig 3: Spring & Housing

   Courtesy of GENERAL MOTORS CORP.
5. Install the spring (1) to the housing (2).
6. Install the decoupling ring (2) to the sensor (1).
   Fig 4: Installing Locking Tabs On Housing & Rear Object Sensor

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

   Courtesy of GENERAL MOTORS CORP.
9. Install the rear bumper fascia. Refer to FASCIA REPLACEMENT - REAR BUMPER (OLDSMOBILE) or FASCIA REPLACEMENT - REAR BUMPER (PONTIAC) .