TrailBlazer 2WD V8-6.0L VIN H (2006)
Rear Door Window Regulator: Service and Repair
Rear Side Door Window Regulator Replacement (TrailBlazer EXT, Envoy XL)
Window Regulator Replacement - Rear Door (TrailBlazer EXT, Envoy XL)
Removal Procedure
1. Lower the window to the midway point (1), if possible.
2. Remove the rear door trim panel.
3. Remove the water deflector.
4. Loosen the regulator glass carrier bolts (2).
5. Slide the window to the full up position and tape it to the window frame.
6. Disconnect the electrical connector from the window regulator motor.
7. Disconnect the retainer (4) securing the regulator cable to the door.
8. Remove the 2 lower regulator retaining bolts (2, 3).
9. Loosen the top regulator retaining bolt (1).
Important: If the regulator assembly will not operate, removing the top regulator retaining bolt (1) completely will allow the regulator to
be removed.
10. Remove the window regulator, lifting up and out from the keyhole slot (5) on the rear door inner panel and through the access hole.
Installation Procedure
1. Install the regulator to the door through the access hole.
