Handle & 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 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.

Fig 1: Identifying Rear Door Outside Handle & Lock Cylinder Rods

Courtesy of GENERAL MOTORS CORP.