Sierra Denali AWD V8-6.2L (2008)
Parking Assist Distance Sensor: Service and Repair
Rear Object Sensor Housing Replacement (All Other Vehicles)
Rear Object Sensor Housing Replacement (All Other Vehicles)
1. Remove the center rear bumper step pad or the rear bumper impact bar end cap.
2. Disconnect the sensor harness.
3. Remove the sensor from the sensor housing.
The sensor housing must be painted if replaced. If reinstalled, painting will not be necessary.
Important: Do Not grind off alignment tabs.
4. Sand/grind sonic weld plastic residue from the fascia.