GM 88973462 Rear Side Door Lock

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To remove the door latch, start by removing the door trim panel and the plastic water shield. Then, take out the door panel brace. Reach inside the door and disconnect the control links from the latch. If the vehicle has power door locks, disconnect the electrical connector at the latch. Remove the latch retaining screws located at the end of the door. Detach the door latch and, if applicable, the door lock solenoid. For installation, simply follow the reverse order of removal. For the lock cylinder and outside handle, work through the access holes in the door to disconnect the control rods from the lock cylinder and outside handle. Loosen the screw with a Torque bit and remove the lock cover and lock cylinder from the outside of the door. To remove the outside handle, slide it to the rear until it clears the handle frame on the door, and then remove the handle. If you need to remove the outside handle assembly, disconnect the rod and door-opening cable from the handle assembly. Remove the two screws securing the frame to the door. From the outside of the door, squeeze the protruding plastic clip to release the frame from the door. Use a screwdriver to pry off the retaining clip or remove the lock cylinder retaining bolt to remove the lock cylinder from the handle. The installation process for the lock cylinder and outside handle is the reverse of the removal steps. To remove the inside handle, start by prying up the clip at the rear of the handle assembly. Pull the handle free, disconnect the cables from the inside handle control, and remove the handle from the door. For installation, follow the reverse order of removal. These procedures should be performed with care, following the specified steps, to ensure proper removal and installation of the door latch, lock cylinder, outside handle, and inside handle components.

The door latch strikers should be lubricated with a thin coat of grease to reduce wear and ensure free movement.