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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 212 (Sunroof) >> Repair Instructions >> Sunroof Housing Rear Drain Hose Replacement - Left Side >> 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 .

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. GM5459270Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Use a small flat-bladed tool to disengage integral tabs on caro tie down loop bolt cap

    Cargo Tie Down Loop Bolt Cap (1) - Remove [2x]

  3. Cargo Tie Down Loop Bolt (2) - Remove [2x]
  4. Cargo Tie Down Loop (3) - Remove [2x]
  5. GM5471799Courtesy of GENERAL MOTORS COMPANY

    Rear Compartment Floor Panel Trim (1) - Remove

  6. GM5459293Courtesy of GENERAL MOTORS COMPANY

    Use a small flat-bladed tool to disengage integral tabs on rear end trim finish panel opening cover (1).

  7. Rear End Trim Finish Panel Opening Cover (1) - Remove
  8. GM5465255Courtesy of GENERAL MOTORS COMPANY

    With a flat bladed plastic trim tool, disengage the integral clips.

  9. Rear End Trim Finish Panel (1) - Remove
  10. GM5471885Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Use a flat-bladed plastic tool to remove the push-in retainers.

    Rear Compartment Floor Stowage Compartment Retainer (1) - Remove [3x]

  11. Rear Compartment Floor Panel Trim (2) - Remove
  12. GM5483561Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Carefully manipulate the deck lid hinge opening of the rear compartment side trim past the hinge cover.

    Rear Compartment Side Trim Insulator Retainer (1) - Remove [4x]

  13. Rear Compartment Side Trim-Left Side (2) - Reposition
  14. GM5494010Courtesy of GENERAL MOTORS COMPANY

    Release the 2 sunroof housing rear drain hose clips (1).

  15. Sunroof Housing Rear Drain Hose (2) @ Quarter Inner Panel Extension - Disconnect
  16. GM5423135Courtesy of GENERAL MOTORS COMPANY

    Fold the assist handle downward and hold. (2)

  17. Use a small flat-bladed tool to open the assist handle covers to access the bolts.
  18. Roof Rail Rear Assist Handle Bolt (1) - Remove [2x]
  19. Roof Rail Rear Assist Handle (2) - Remove
  20. GM5494003Courtesy of GENERAL MOTORS COMPANY

    Center Pillar Upper Trim Panel Bolt Cap (1) - Remove

  21. Center Pillar Upper Garnish Molding Bolt (2) - Remove
  22. GM5494005Courtesy of GENERAL MOTORS COMPANY

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

  23. Center Pillar Upper Trim Panel (1) - Reposition
  24. GM5494006Courtesy of GENERAL MOTORS COMPANY

    Fold the rear seat back to the downward position.

  25. Quarter Window Trim Finish Panel Bolt Cap (1) - Remove
  26. Quarter Window Trim Finish Panel Bolt (2) - Remove
  27. GM5494007Courtesy of GENERAL MOTORS COMPANY

    Disengage the retainers, starting at the front and working rearward.

    28. NOTE:

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

  28. Quarter Upper Trim Panel (1) - Reposition
  29. GM5494008Courtesy of GENERAL MOTORS COMPANY

    Lower the left rear section of the headlining trim panel (1).

  30. GM5331424Courtesy of GENERAL MOTORS COMPANY

    Reposition the wiring harness.

  31. Release the sunroof housing rear drain hose clip (1).
  32. GM5331425Courtesy of GENERAL MOTORS COMPANY

    Sunroof Housing Rear Drain Hose (2) @ Sunroof Housing Drain Gutter (1) - Disconnect

  33. Sunroof Housing Rear Drain Hose (2) - Remove
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