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Rear Object Sensor Housing Replacement

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 GMC Yukon XL, 2011 GMC Yukon, 2011 Chevrolet Tahoe, 2011 Chevrolet Suburban, and 2011 Chevrolet Avalanche. 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 (Avalanche, Cadillac EXT) , Rear Bumper Fascia Replacement (All Utility, Cadillac ESV) .

Fig 1: Parking Assist Alarm Sensor

GM1699865

Courtesy of GENERAL MOTORS CORP.

Disconnect the sensor harness.
Remove the sensor from the sensor housing.
The sensor housing must be painted if replaced. If reinstalled, painting will not be necessary.

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

GM1699859

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

GM1699866

Courtesy of GENERAL MOTORS CORP.

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

Fig 4: Installing Sensor Housing

GM1699868

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: Parking Assist Alarm Sensor

GM1699865

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 (Avalanche, Cadillac EXT) , Rear Bumper Fascia Replacement (All Utility, Cadillac ESV) .