GMC 12547541 Cylinder,Front Side Door Lock

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For the beginning, in case it equipped with power components model, you need to remove the inside handle disconnecting cable from negative battery terminal. After that, take off the door trim panel and water shield along with window glass in full up position. Remove lock rod and drill out rivets securing the handle to the door frame. Finally, remove the handle itself. The reinstallation is as simple as reversing of what has been done during removal. To remove an outside handle or lock cylinder start by first removing a door trim panel and water shield. Then disengage handle and lock cylinder from lock rods and remove handle-to-door nuts. Now pull out handle free from below lock cylinder off it completely. Installation is simple−just reverse removal steps above. To remove latch assembly at first disconnect locking knob rod, then inside handle rod, plus finally inside handle lock rod all from latch assembly located on inside of door panel; thus the next thing- is removing retaining screws of such latch assembly so as to pull this assembly out unhamperedly away from door completely. Reinstalling is easy too; it's just a matter of reversing order of disassembling through which they were removed initially during uninstallation process nut+rod.

Installation is the reverse of the removal procedure.

Remove the doorstep mat, then remove the striker mounting bolts and the striker.

Installation is the reverse of the removal procedure.

To remove the outside handle and lock cylinder, start by removing the door trim panel and water shield. Disengage the handle and lock cylinder from the lock rods and remove the handle-to-door nuts. Pull the handle free and detach the lock cylinder from the handle.