Removal Procedure

Remove the door trim panel. Refer to the appropriate procedure
- TRIM PANEL REPLACEMENT - SIDE REAR DOOR (UTILITY) or TRIM PANEL REPLACEMENT - SIDE REAR DOOR (EXTENDED CAB P/U ONLY)
- TRIM PANEL REPLACEMENT - SIDE FRONT DOOR
Remove the water deflector. Refer to WATER DEFLECTOR REPLACEMENT - DOOR .
Remove the bolts that retain the front run channel to the door.
Carefully pull the front run channel in order to disengage the run channel from the window weatherstrip.
Remove the front run channel from the door.
Slide the window forward.
Remove the bolts that retain the rear run channel to the door.
Carefully pull the front run channel in order to disengage the run channel from the window weatherstrip.
Remove the rear run channel from the door.

Fig 1: Removing Rear Run Channel From Door
Courtesy of GENERAL MOTORS CORP.