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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 421 (Floor Coverings And HEADLININGS) >> Repair Instructions >> Headlining Trim Panel Replacement (With C3U) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2017 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.
    WARNING:

    Do not attempt to repair or alter the head impact energy-absorbing material glued to the headliner or to the garnish trims. If the material is damaged, replace the headliner and/or the garnish trim. Failure to do so could result in personal injury.

    CAUTION:

    If a vehicle is equipped with a head curtain inflator module ensure that the inflator module and tether are undamaged. If tether or curtain airbag are damaged in any way, they must be replaced.

    CAUTION:

    Use care when working around the head curtain inflator module. Sharp tools may puncture the curtain airbag. If the head curtain inflator module is damaged in any way, it must be replaced.

  1. Disable the SIR system. Refer to SIR Disabling and Enabling .
  2. Fig 1: Sunshade
    GM4429241Courtesy of GENERAL MOTORS COMPANY
  3. Remove Sunshade (3) Sunshade Replacement
  4. Fig 2: Sunshade Support
    GM4429282Courtesy of GENERAL MOTORS COMPANY
  5. Remove Sunshade Support (2) Sunshade Support Replacement
  6. Fig 3: Roof Rail Front Assist Handle
    GM4293479Courtesy of GENERAL MOTORS COMPANY
  7. Remove Roof Rail Front Assist Handle (2)Roof Rail Front Assist Handle Replacement
  8. Fig 4: Active Noise Cancellation Microphone Grille
    GM4375226Courtesy of GENERAL MOTORS COMPANY
  9. Remove Active Noise Cancellation Microphone Grille (1)Active Noise Cancellation Microphone Grille Replacement
  10. Fig 5: Roof Rail Rear Assist Handle
    GM4429366Courtesy of GENERAL MOTORS COMPANY
  11. Remove Roof Rail Rear Assist Handle (2) Roof Rail Rear Assist Handle Replacement
  12. Fig 6: Rear Seat Position Center Reading and Courtesy Lamp
    GM4380130Courtesy of GENERAL MOTORS COMPANY
  13. Remove Rear Seat Position Center Reading and Courtesy Lamp (1)Rear Seat Position Center Reading and Courtesy Lamp Replacement
  14. Fig 7: 3rd Row Seat Position Center Reading and Courtesy Lamp
    GM4380386Courtesy of GENERAL MOTORS COMPANY
  15. Remove 3rd Row Seat Position Center Reading and Courtesy Lamp (1)3rd Row Seat Position Center Reading and Courtesy Lamp Replacement
  16. Fig 8: Windshield Garnish Molding
    GM4429364Courtesy of GENERAL MOTORS COMPANY
  17. Remove Windshield Garnish Molding (1) Windshield Garnish Molding Replacement
  18. Fig 9: Center Pillar Upper Trim Panel
    GM4294447Courtesy of GENERAL MOTORS COMPANY
  19. Remove Center Pillar Upper Trim Panel (1) Center Pillar Upper Trim Panel Replacement
  20. Fig 10: Quarter Window Trim Finish Panel
    GM4447644Courtesy of GENERAL MOTORS COMPANY
  21. Remove Quarter Window Trim Finish Panel (3) Quarter Window Trim Finish Panel Replacement
  22. Fig 11: Body Rear Corner Upper Garnish Molding
    GM4441131Courtesy of GENERAL MOTORS COMPANY
  23. Remove Body Rear Corner Upper Garnish Molding (3)Body Rear Corner Upper Garnish Molding Replacement
  24. Fig 12: Roof Console
    GM4284783Courtesy of GENERAL MOTORS COMPANY
  25. Remove Roof Console (1) Roof Console Replacement
  26. Fig 13: Windshield Multifunction Sensor Mount Bracket Cover
    GM4286624Courtesy of GENERAL MOTORS COMPANY
  27. Remove Windshield Multifunction Sensor Mount Bracket Cover (1)Windshield Multifunction Sensor Mount Bracket Cover Replacement (with UEU)
  28. Move the driver and passenger seats fully forward and recline.
  29. Fold down the rear seat backs.
  30. Fig 14: Headliner Trim Panel Assembly And Retainers
    GM4452320Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Prior to removal, note the routing of the wire harness to aid in reassembly and to ensure proper installation.

  31. Remove the headliner trim panel retainers.
  32. Disconnect the electrical connectors.
  33. With the aid of an assistant, remove the headliner trim panel assembly (1) from the vehicle through the liftgate opening.
  34. Transfer components as necessary.
  35. If transferring or replacing the wiring harness. Refer to Headliner Harness Replacement .