Rear Object Sensor Housing Replacement: Procedure

WARNING: This page is about a different car, the 2006 Buick Lucerne. However, it is still accessible from the selected car via links, so may be relevant.

Remove the rear fascia. Refer to Rear Bumper Fascia Replacement .

Fig 1: View Of Rear Object Sensor

Courtesy of GENERAL MOTORS CORP.

Disconnect the sensor harness.
Remove the sensor from the sensor housing.

IMPORTANT: Do not refinish previously painted sensors. Excessive paint build up will cause the sensor to be inoperative.

Paint the new 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. Refer to Paint Gages

Fig 2: Sanding/Grinding Sonic Weld Plastic Residue From Fascia

Courtesy of GENERAL MOTORS CORP.

IMPORTANT: Do Not grind off alignment tabs.

Sand/grind sonic weld plastic residue from the fascia.

Fig 3: Applying Structural Adhesive Epoxy To Fascia

Courtesy of GENERAL MOTORS CORP.

Apply structural adhesive epoxy, Lord Fusor™ 127EZ or equivalent, to fascia at mating surface.

Fig 4: Identifying Sensor Housing & Tabs

Courtesy of GENERAL MOTORS CORP.

Using the alignment tabs, install the sensor housing to the fascia.
Allow adhesive to cure according to manufacturer's directions.

Fig 5: View Of Rear Object Sensor

Courtesy of GENERAL MOTORS CORP.

Install the sensor to the sensor housing.
Connect the electrical harness.
Install the rear fascia. Refer to Rear Bumper Fascia Replacement .