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Home >> Buick >> 2017 >> Encore Base >> Repair and Diagnosis >> Accessories & Equipment >> Collision/Avoidance >> Object Detection System And Pedestrian Protection System >> Repair Instructions >> Front Object Alarm Sensor Housing Replacement
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Front Object Alarm Sensor Housing Replacement

  1. Remove the front fascia. Refer to Front Bumper Fascia Replacement (Chevrolet)Front Bumper Fascia Replacement (Buick) .
  2. Fig 1: Front Object Alarm Sensor And Housing
    GM1699865Courtesy of GENERAL MOTORS COMPANY
  3. Disconnect the sensor harness.
  4. Remove the sensor from the sensor housing.

    The sensor housing must be painted if replaced. If reinstalled, painting will not be necessary.

  5. Fig 2: Sonic Weld Plastic Residue
    GM1699859Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Do Not grind off alignment tabs.

  6. Sand/grind sonic weld plastic residue from the fascia.
  7. Fig 3: Structural Adhesive Epoxy On Fascia
    GM1699866Courtesy of GENERAL MOTORS COMPANY
  8. Apply structural adhesive epoxy, Lord Fusor™ 127EZ or equivalent, to fascia at mating surface.
  9. Fig 4: Sensor Housing And Tabs
    GM1699868Courtesy of GENERAL MOTORS COMPANY
  10. Using the alignment tabs, install the sensor housing to the fascia.
  11. Allow adhesive to cure according to manufacturer's directions.
  12. Fig 5: Front Object Alarm Sensor And Housing
    GM1699865Courtesy of GENERAL MOTORS COMPANY
  13. Install the sensor to the sensor housing.
  14. Connect the electrical harness.
  15. Install the front fascia. Refer to Front Bumper Fascia Replacement (Chevrolet)Front Bumper Fascia Replacement (Buick) .