How to Replace Door Lock Cylinder 05-10 Chrysler 300
Difficulty: Intermediate · About 60 min · Chrysler 300
Replace the door lock cylinder on a 2005–2010 Chrysler 300 by removing the door panel and module, transferring the lock rod, and resealing the vapor barrier.
Tools you will need
- Phillips screwdriver
- 8mm socket
- Ratchet
- Trim tool
- Utility knife
- Pick tool
Parts and supplies
- Door lock cylinder
Steps
Remove the door panel
Release the handle trim and remove its screw and the lower panel fasteners. Free the panel, disconnect its latch cable, window switches, and courtesy lamp, then lift it away.
Move the door module
Unplug the door module connectors and release its plastic retainers. Move the module clear of the lock cylinder access area.
Remove the lock cylinder
Carefully separate the vapor barrier adhesive and peel the barrier back. Release the lock rod clip, remove the two 8mm cylinder bolts, and withdraw the cylinder through the door.
Install the replacement cylinder
Position the new cylinder and install both 8mm bolts. Reconnect the lock rod and secure its retaining clip, then press the vapor barrier back into place.
Restore the module and panel
Reconnect the door module plugs and secure its retainers. Reconnect the courtesy lamp, switch wiring, and latch cable, then refit the door panel and trim.
Test the lock
Test the key and interior lock controls with the door open. Confirm the latch and handle function and that the vapor barrier and panel are secured.
Check your vehicle’s repair manual for exact specifications and fit.