Handle and Lock Cylinder - Rear Door Outside: Notes

New lock cylinders are available as replacement parts. If the door lock cylinders require replacement for any reason, apply a coating of lubricant. Use GM P/N 12346241, Canadian P/N 10953474, or the equivalent, inside the lock case and the cylinder keyway prior to assembling and installing the cylinder.

Refer to BINDING LOCK CYLINDERS in Doors in order to repair a binding lock cylinder. Refer to Key and Lock Cylinder Coding in General Information in order to code a new lock cylinder.