Removal Procedure

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2003 GMC Savana Special, 2003 GMC Savana Camper Special, 2003 GMC Savana, 2003 Chevrolet RV Cutaway, and 2003 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.

Remove the sliding side door lower trim panel. Refer to Trim Panel Replacement - Sliding Door . .
Remove the lock rods from the sliding side door rear lock.
Remove the bolts that retain the sliding side door rear lock to the sliding side door.
Remove the sliding side door rear lock from the door.
Remove the sliding side door rear lock from the vehicle.

Fig 1: Removing Sliding Door Rear Lock
Courtesy of GENERAL MOTORS CORP.