GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2007 🢒 TrailBlazer - 4WD 🢒 Body Systems 🢒 Fixed and Moveable Windows 🢒 Front Side Door Window Regulator Replacement

Removal Procedure
  1. Remove the door trim panel. Refer to Front Side Door Trim Panel Replacement .
  2. Remove the speaker. Refer to Radio Front Side Door Speaker Replacement .
  3. Remove the water deflector. Refer to Front Side Door Water Deflector Replacement .
  4. Loosen the regulator window carrier bolts (1).
  5. Raise and support the window.

    6. Object Number: 723037 Size: SH
  6. Disconnect the electrical connector from the regulator motor.
  7. Loosen the upper 2 bolts that retain the regulator assembly to the door.
  8. Remove the remaining 3 bolts that retain the window regulator assembly and the motor to the door.
  9. Lift the regulator assembly upward in order to release the upper 2 bolts.
  10. Rotate the upper portion of the regulator assembly forward.
  11. Beginning with the lower portion, remove the regulator assembly through the door opening.
  12. Place the regulator assembly on a prepared surface.
  13. Remove the upper 2 bolts from the regulator assembly.

Installation Procedure

    Object Number: 723037 Size: SH
  1. Partially install the upper 2 bolts to the regulator assembly.
  2. Beginning with the upper portion, install the regulator assembly through the door opening in a semi-horizontal position.
  3. Position the regulator assembly fully forward into the door cavity.
  4. Rotate the regulator assembly to a vertical position.
  5. Lower and hang the regulator assembly onto the door sheet metal using the upper 2 bolts that were previously installed.

    6. Notice: Refer to Fastener Notice in the Preface section.

  6. Install the bolt that retains the motor to the door.

    7. Tighten
    Tighten bolts to 9 N·m (80 lb in).

  7. Install the remaining bolts that retain the regulator assembly to the door.

    8. Tighten
    Tighten bolts to 10 N·m (88 lb in).

  8. Connect the electrical connector to the regulator motor.
  9. Remove the window support and lower the window onto the regulator window carrier.
  10. Loosely tighten the regulator window carrier bolts.
  11. Operate the window upward to the full up position, ensuring the window remains in the run channels.

    12. Tighten
    Tighten the regulator window carrier bolts (1) to 10 N·m (88 lb in).

  12. Install the water deflector. Refer to Front Side Door Water Deflector Replacement .
  13. Install the speaker. Refer to Radio Front Side Door Speaker Replacement .
  14. Install the door trim panel. Refer to Front Side Door Trim Panel Replacement .