GM Service Manual Online
For 1990-2009 cars only

Sunroof Cable Return Tube Replacement Front Window

Removal Procedure

  1. Open the front sunshade to the full open position.

  2. Object Number: 903524  Size: SH
  3. Remove the center window (2). Refer to Sunroof Window Replacement .
  4. Remove the front sunroof window. Refer to Sunroof Window Replacement .

  5. Object Number: 903519  Size: SH
  6. Remove the front sunroof motor/actuator (4). Refer to Sunroof Motor/Actuator Replacement .
  7. Remove the front sunshade assembly. Refer to Sunroof Sunshade Assembly Replacement .

  8. Object Number: 903345  Size: SH
  9. Remove either the front left or front right sunroof front window track (3). Refer to Sunroof Window Front Track Assembly Replacement .
  10. Cut the tie straps securing the electrical harness to the return tubes. Discard the tie straps.

  11. Object Number: 903765  Size: SH
  12. Release the return tube (2) from the motor/actuator block. Use a flat-bladed tool to release the return tubes.
  13. Hold onto the motor block and gently pry the return tube from the motor block.
  14. Carefully remove the return tube from the motor/actuator compartment.

Installation Procedure


    Object Number: 901422  Size: SH
  1. Position the return tube (2) to the motor block (3).

  2. Object Number: 901429  Size: SH
  3. Use a standard pair of pliers (2) to carefully secure the return tube (1) to the motor block (3).

  4. Object Number: 903345  Size: SH
  5. Loosely install 2 motor/actuator screws into the block in order to hold the block into position until the front track (3) rear extension (2) is installed.
  6. Install either the front left or front right sunroof front window track (3). Refer to Sunroof Window Front Track Assembly Replacement .

  7. Object Number: 903752  Size: SH
  8. Install the front sunshade assembly (3). Refer to Sunroof Sunshade Assembly Replacement .
  9. Remove the 2 motor/actuator screws from the motor block.

  10. Object Number: 903519  Size: SH
  11. Install the front window motor/actuator (4). Refer to Sunroof Motor/Actuator Replacement .
  12. Use new tie straps to secure the electrical harness to the return tubes.
  13. Install the front sunroof window. Refer to Sunroof Window Replacement .

  14. Object Number: 903524  Size: SH
  15. Install the center window (2). Refer to Sunroof Window Replacement .
  16. Close the front sunshade.
  17. Perform the front window/sunshade initialization process. Refer to Sunroof Front Window/Sunshade Initialization Process .

Sunroof Cable Return Tube Replacement Rear Vent Window

Removal Procedure

  1. Open the rear sunshade to the full open position.

  2. Object Number: 903524  Size: SH
  3. Remove the center window (2). Refer to Sunroof Window Replacement .
  4. Remove the rear sunroof vent window. Refer to Sunroof Window Replacement .

  5. Object Number: 903519  Size: SH
  6. Remove the rear sunroof motor/actuator (1). Refer to Sunroof Motor/Actuator Replacement .
  7. Remove the rear sunshade assembly. Refer to Sunroof Sunshade Assembly Replacement .

  8. Object Number: 903344  Size: SH
  9. Remove either the rear left or rear right sunroof rear window track (3). Refer to Sunroof Window Front Track Assembly Replacement .
  10. Cut the tie straps securing the electrical harness to the return tubes. Discard the tie straps if necessary.

  11. Object Number: 903765  Size: SH
  12. Release the return tube (1) from the motor/actuator block. Use a flat-bladed tool to release the return tubes.
  13. Hold onto the motor block and gently pry the return tube from the motor block.
  14. Carefully remove the return tube from the motor/actuator compartment.

Installation Procedure


    Object Number: 901422  Size: SH
  1. Position the return tube (2) to the motor block (3).

  2. Object Number: 901429  Size: SH
  3. Use a standard pair of pliers (2) to carefully secure the return tube (1) to the motor block (3).

  4. Object Number: 903344  Size: SH
  5. Loosely install 2 motor/actuator screws into the block in order to hold the block into position until the rear track (3) rear extension (2) is installed.

  6. Object Number: 903345  Size: SH
  7. Install either the rear left or rear right sunroof rear window track (3). Refer to Sunroof Window Front Track Assembly Replacement .

  8. Object Number: 903763  Size: SH
  9. Install the rear sunshade assembly (2). Refer to Sunroof Sunshade Assembly Replacement .

  10. Object Number: 903519  Size: SH
  11. Install the rear window motor/actuator (1). Refer to Sunroof Motor/Actuator Replacement .
  12. Use new tie straps to secure the electrical harness to the return tubes, if necessary.
  13. Install the rear sunroof vent window. Refer to Sunroof Window Replacement .

  14. Object Number: 903524  Size: SH
  15. Install the center window (2). Refer to Sunroof Window Replacement .
  16. Close the rear sunshade.
  17. Perform the rear vent window/sunshade initialization process. Refer to Sunroof Rear Window Initialization Process .