Sierra Denali RWD V8-6.2L (2009)
Parking Assist Distance Sensor: Service and Repair
Rear Object Sensor Replacement
Rear Object Sensor Replacement
Removal Procedure
1. Disconnect electrical from the rear object sensor.
2. Lift the locking tabs on the housing and remove the rear object sensor.
Installation Procedure
Important: Do not refinish previously painted sensors. Excess paint build up will cause the sensor to be inoperative.
1. Paint the rear object sensor. Refer to Basecoat/Clearcoat Paint Systems (See: Body and Frame/Paint, Striping and Decals/Paint/Application and
ID/Basecoat/Clearcoat Paint Systems) .
2. Ensure the paint does not exceed 6 mils. Use a paint thickness gauge suitable for non-ferrous metals. Refer to Paint Gages () .
