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Home >> Cadillac >> 2003 >> CTS Automatic >> Repair and Diagnosis >> Body & Frame >> Sun Roof/T-Top/Convertible Top >> Sunroof System >> Repair Instructions >> Sunroof Module Assembly Replacement >> Removal Procedure

Removal Procedure

Important:  A new sunroof module assembly will not have the sunroof window or the sunshade as components of the new service part.

  1. The old sunroof window and sunshade will need to be installed to the new sunroof module assembly.

    Remove the sunroof window. Refer to SUNROOF WINDOW REPLACEMENT  .

  2. Remove the sunshade panel. Refer to SUNROOF SUNSHADE PANEL REPLACEMENT  .
  3. Remove the headliner. Refer to HEADLINER REPLACEMENT in Interior Trim.
  4. Cut the electrical tape (5) on the sunroof actuator in order to access the electrical harness.
    Fig 1: Disconnecting Electrical Connector On Sunroof Actuator
    G02096041Courtesy of GENERAL MOTORS CORP.
  5. Disconnect the electrical connector on the sunroof actuator (3).
  6. Disconnect the electrical connector from the sunroof module (1).
  7. Cut the tie straps securing the electrical harness to the sunroof cable rear drive tube.
  8. Remove the sunroof control module.
  9. Disconnect the electrical connectors from the control module.
  10. Disconnect the drain hoses from the front sunroof module drain spouts (1).
    Fig 2: Disconnecting Drain Hoses From Front Sunroof Module Drain Spouts
    G02096042Courtesy of GENERAL MOTORS CORP.
  11. Disconnect the drain hoses from the rear sunroof module drain spouts.
    Fig 3: Disconnecting Drain Hoses From Rear Sunroof Module Drain Spouts
    G02096043Courtesy of GENERAL MOTORS CORP.
  12. Remove the sunroof module to the roof bolts (1).
  13. Remove the 2 center, side to side, bolts last in order to help support the sunroof module to the roof ring.
  14. Remove the last 2 sunroof to roof ring bolts.
  15. With an assistant, lower and remove the sunroof module assembly out the passenger side door.
    Fig 4: Removing Sunroof Module To Roof Bolts
    G02096044Courtesy of GENERAL MOTORS CORP.