Q: How to replace the rear side door window channel on Buick LeSabre?
A: The process of replacing the rear side door window front channel begins by completely raising the window before removing the door trim panel and door module and water deflector. The lower fastener needs to be loosened first before you can remove the upper fastener that functions also as the door applique lower fastener. Bring down the window channel assembly until its upper bracket passes by the door applique before removing the front window channel from the door. Start with the top end of the front window channel when inserting it into the door followed by putting the lower fastener into its keyhole slot. Position the top front window channel segment toward the back while matching it with the bottom of the window frame before securing the upper fastener at 2 N.m (18 lb in). Integrate the lower fastener to its spot and execute tightening at 9 N.m (80 lb in). To complete the installation process you should reinstall the water deflector and door module together with the door trim panel.
Q: How to replace the window channel retainer in the front door on Buick LaCrosse?
A: The procedure to replace front door Window Channel retainers begins with separating the front door frame applique and trim panel while also removing the water deflector along with outside rear view mirror and inner window belt sealing strip. After placing the window in a full downward position you must remove the front door window Weather Strip. Lift the bolt from the Window Channel retainer after which use a drill to remove the 4 mm (5/32 in) rivets from its inner edge to disengage the Window Channel retainer from the door. Secure the new Window Channel retainer onto the vehicle door with both 4 mm (5/32 in) rivets and the bolt by tightening the screw to 2 n.m (18 lb in). Installation of the front door window Weather Strip requires ensuring full seating of the strip into the Window Channel retainer followed by a check of the window operation. Reassembly requires installation of the front door frame applique as well as inner window belt sealing strip and outside mirror and water deflector and trim panel.