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Home >> GMC >> 2018 >> Acadia Denali, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1 (Object Detection System And Pedestrian Protection System) >> Repair Instructions >> Pedestrian Impact Detection Sensor Replacement - Front Upper Beam
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Pedestrian Impact Detection Sensor Replacement - Front Upper Beam

WARNING: This page is about a different car, the 2016 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Pedestrian Impact Detection Sensor - Front Upper Beam
GM3021380Courtesy of GENERAL MOTORS COMPANY
Callout Component Name

Preliminary Procedures

  1. Disable the pedestrian impact detection system. Refer to Pedestrian Impact Detection System Disabling and Enabling .
  2. Remove the front fascia absorber. Refer to Front Bumper Fascia Energy Upper Absorber Replacement (Sedan)Front Bumper Fascia Energy Upper Absorber Replacement (Coupe Outer)Front Bumper Fascia Energy Upper Absorber Replacement (ATS-V)Front Bumper Fascia Energy Upper Absorber Replacement (Inner and Outer Coupe V)Front Bumper Fascia Energy Upper Absorber Replacement (Coupe Inner) .
1 Front Bumper Fascia Energy Absorber
Procedure 
Separate the two halves of the front bumper fascia energy absorber.
NOTE:
  • Inspect the absorber / EA foam for any cracks or damage and inspect pedestrian sensor tube for any cuts or puncture holes.
  • Replace absorber or sensor system if any damage is found. This can cause faulty readings with the pedestrian impact sensor.
2 Pedestrian Impact Detection Sensor
Procedure 
Carefully remove the pedestrian impact detection sensor from the front half of the front bumper fascia energy absorber.
NOTE:

The pedestrian sensor is a press fit into the front half of the absorber.