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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 49 (Floor Coverings And HEADLININGS) >> Repair Instructions >> Headlining Trim Panel Replacement (Without CF5) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2022 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:

Refer to SIR Warning .

WARNING:

Refer to SIR Inflator Module Handling and Storage Warning .

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. SIR Disabling and Enabling
  2. GM5423347Courtesy of GENERAL MOTORS COMPANY

    Pull the windshield garnish molding (1) rearwards to release the tether from the A pillar on both sides of the vehicle.

  3. Access the windshield garnish bolts (2) which is located on the backside of the windshield garnish moldings (1) and secures the tether to the A pillar on both sides of the vehicle.
  4. Windshield Garnish Molding Bolt (2) - Remove [2x]
  5. Disconnect the electrical connectors.
  6. Windshield Garnish Molding (1) - Remove [2x]
  7. GM5423271Courtesy of GENERAL MOTORS COMPANY

    Open the sunshade support bolt access cover with an appropriate tool on both sides of the vehicle.

  8. Sunshade Support Bolt (1) - Remove [2x]
  9. Using the appropriate tool, release the metal sunshade support retainer on both sides of the vehicle.
  10. Sunshade Support (2) - Remove [2x]
  11. GM5334276Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Do not exert downward force at the forward or rearward edge of the roof console assembly as irreversible damage will occur.

    With a flat-bladed trim tool, release the tab on the left side at the most rearward of the roof console (1) and pull down on console, then release the retaining clip in the middle of the console and pull down, then release the retaining clip at the most forward of the console and pull down the console.

  12. With a flat-bladed trim tool, release the tab on the right side at the most rearward of the roof console (1) and pull down on console, then release the retaining clip in the middle of the console and pull down, then release the retaining clip at the most forward of the console and pull down the console.
  13. GM5334280Courtesy of GENERAL MOTORS COMPANY

    Pull the roof console (1) rearward to remove the front roof console tab from the headliner.

  14. Disconnect the electrical connectors.
  15. GM5330333Courtesy of GENERAL MOTORS COMPANY

    Windshield Multifunction Sensor Mount Bracket Cover Insert (1) - Remove

  16. GM5330339Courtesy of GENERAL MOTORS COMPANY

    Using a suitable plastic trim tool, carefully pry downward on the windshield multifunction sensor mount bracket cover (1) to release it from the windshield.

  17. Pull downward to remove the windshield multifunction sensor mount bracket cover (1) from the windshield.
  18. GM5423238Courtesy of GENERAL MOTORS COMPANY

    Fold the assist handle downward and hold. (2)

  19. Use a small flat-bladed tool to open the assist handle covers to access the bolts.
  20. Roof Rail Assist Handle Bolt (1) - Remove [4x]
  21. Roof Rail Assist Handle (2) - Remove [2x]
  22. GM5423135Courtesy of GENERAL MOTORS COMPANY

    Fold the assist handle downward and hold. (2)

  23. Use a small flat-bladed tool to open the assist handle covers to access the bolts.
  24. Roof Rail Rear Assist Handle Bolt (1) - Remove [4x]
  25. Roof Rail Rear Assist Handle (2) - Remove [2x]
  26. GM5494003Courtesy of GENERAL MOTORS COMPANY
    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.

    Center Pillar Upper Trim Panel Bolt Cap (1) - Remove [2x]

  27. Center Pillar Upper Garnish Molding Bolt (2) - Remove [2x]
  28. GM5494005Courtesy of GENERAL MOTORS COMPANY

    Pull the trim panel toward the inside of the vehicle to disengage the retainers on both sides of the vehicle.

  29. Center Pillar Upper Trim Panel (1) - Reposition [2x]
  30. GM5423272Courtesy of GENERAL MOTORS COMPANY

    Sunshade Retainer Bolt Cover (1) - Remove [2x]

  31. Sunshade Bolt (2) - Remove [4x]
  32. Squeeze the tabs at the base of the sunshade to detach it from the roof panel and allow the headliner with the sunshade attached to be lowered on both sides of the vehicle.
  33. Release the retainer attaching the sunshade to the headlining trim panel on both sides of the vehicle.
  34. Disconnect the electrical connectors.
  35. Sunshade (3) - Remove [2x]
  36. GM5433860Courtesy of GENERAL MOTORS COMPANY

    Insert a suitable flat-bladed plastic trim tool between the parameter of the high mount stop lamp opening cover (1) and headlining trim panel (2).

  37. Separate the high mount stop lamp opening cover (1) from the headlining trim panel (2).
  38. GM5433861Courtesy of GENERAL MOTORS COMPANY

    Pull downward to release the retaining tabs.

  39. High Mount Stop Lamp Opening Cover (1) - Remove
  40. GM5544148Courtesy of GENERAL MOTORS COMPANY

    Rear Seat Cushion (1) - Remove - Rear Seat Cushion Removal and Installation

  41. GM5404968Courtesy of GENERAL MOTORS COMPANY

    Fold the rear seat back to the downward position.

  42. Access the rear seat back bolster retainer lock (1) through a slot in the upper portion of the bolster.
  43. Slide the rear seat back bolster retainer lock (1) toward the front of the vehicle.
  44. GM5324688Courtesy of GENERAL MOTORS COMPANY

    Rear Seat Back Bolster Nut (1) - Remove [2x]

  45. Squeeze the rear seat back bolster retainer to release it on both sides of the vehicle.
  46. Rear Seat Back Bolster (2) - Remove [2x]
  47. GM5474407Courtesy of GENERAL MOTORS COMPANY

    Use a flat bladed plastic trim tool to remove the quarter window trim finish panel bolt cap (1) on both sides.

  48. Quarter Window Trim Finish Panel Bolt (2) - Remove [2x]
  49. Disengage the retainers, starting at the front and working rearward.
    50. NOTE:

    The Quarter Upper Trim Panel does not need to be fully removed from the vehicle.

  50. Quarter Upper Trim Panel (3) - Remove [2x]
  51. GM5482696Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Use a flat-bladed plastic trim tool to aid in removal of the rear window panel retainers (1) from the rear window panel trim (2).

    Rear Window Panel Trim Retainer (1) - Remove [3x]

  52. GM5482736Courtesy of GENERAL MOTORS COMPANY
  53. Rear Window Panel Trim (1) - Remove
  54. GM5507515Courtesy of GENERAL MOTORS COMPANY
    NOTE:

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

    Drop the headlining trim panel (2) down.

  55. Disconnect the electrical connectors.
  56. Release the retainer. (1) [2x]
  57. Windshield - Remove - Windshield Replacement
  58. With the aid of an assistant, remove the headlining trim panel (2) from the vehicle through the front windshield opening.
  59. Transfer components as necessary.
  60. If transferring or replacing the wiring harness.
    • Take note of the wiring harness locations and measure the harness lead length prior to removing. Mark harness routing locations on new headlining trim panel (2) prior to harness removal.
      • NOTE:

      Use a camera to take pictures and use a pencil to mark the new headlining trim panel (2).

    • Use fiber or plastic trim tool to assist in removing the wiring harness from the headlining trim panel (2), taking care not to damage the harness.
    • Remove excess glue and material from the wiring harness and re-tape areas where the tape was removed or damaged.
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