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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 212 (Sunroof) >> Repair Instructions >> Sunroof Housing Front 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.
  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.

  3. Access the windshield garnish bolt (2) which is located on the backside of the windshield garnish molding (1) and secures the tether to the A pillar.
  4. Windshield Garnish Molding Bolt (2) - Remove
  5. Disconnect the electrical connector.
  6. Windshield Garnish Molding (1) - Remove
  7. GM5423271Courtesy of GENERAL MOTORS COMPANY

    Open the sunshade support bolt access cover with an appropriate tool.

  8. Sunshade Support Bolt (1) - Remove
  9. 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.

  10. 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.
  11. GM5334280Courtesy of GENERAL MOTORS COMPANY

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

  12. Disconnect the electrical connectors.
  13. GM5330333Courtesy of GENERAL MOTORS COMPANY

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

  14. 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.

  15. Pull downward to remove the windshield multifunction sensor mount bracket cover (1) from the windshield.
  16. GM5423238Courtesy 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 Assist Handle Bolt (1) - Remove [2x]
  19. Roof Rail Assist Handle (2) - Remove
  20. 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

  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 on both sides of the vehicle.

  23. Center Pillar Upper Trim Panel (1) - Reposition
  24. GM5423272Courtesy of GENERAL MOTORS COMPANY

    Sunshade Retainer Bolt Cover (1) - Remove

  25. Sunshade Bolt (2) - Remove [2x]
  26. Sunshade (3) - Remove
    1. 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.
    2. Disconnect the electrical connector.
    3. Release the retainer attaching the sunshade to the headlining trim panel.
  27. GM5300282Courtesy of GENERAL MOTORS COMPANY

    Disconnect the hood primary latch release cable end retainer from the hood primary latch release cable handle (1).

  28. GM5310877Courtesy of GENERAL MOTORS COMPANY

    Instrument Panel Lower Trim Panel Insulator Retainer (1) - Remove

  29. Instrument Panel Insulator Bolt (2) - Remove [2x]
  30. Instrument Panel Insulator Nut (3) - Remove [2x]
  31. GM5310878Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Use a plastic trim tool if necessary.

    Release the tabs from the instrument panel lower trim panel insulator (1).

  32. GM5310879Courtesy of GENERAL MOTORS COMPANY

    Instrument Panel Lower Trim Panel Insulator (1) - Remove

  33. Disconnect the electrical connector.
  34. GM5473316Courtesy of GENERAL MOTORS COMPANY

    Reposition the body hinge pillar sound barrier as needed.

  35. Release the sunroof housing front drain hose clip (1).
  36. Sunroof Housing Front Drain Hose (2) @ Body Hinge Pillar Outer Panel - Disconnect
  37. GM5473317Courtesy of GENERAL MOTORS COMPANY

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

  38. GM5473318Courtesy of GENERAL MOTORS COMPANY

    Reposition the wiring harness.

  39. Release the 3 sunroof housing front drain hose clips (1).
  40. Sunroof Housing Front Drain Hose (2) @ Sunroof Housing Drain Gutter - Disconnect
  41. GM5473319Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Observe the routing and location of the sunroof housing front drain hose to ensure proper reinstallation.

    Sunroof Housing Front Drain Hose (1) - Remove