D 150 Ramcharger V8-360 5.9L (1989)
Door Lock Cylinder: Service and Repair
Establishing Lock Cylinder Code
LOCK CYLINDER PROCEDURES
The following procedures will allow the repair or replacement of lock cylinders while retaining the original key. It is no longer necessary to
replace an entire set of lock cylinders when only one is defective.
Kits are available through MOPAR for repair of cylinders or an equivalent kit may be used. All necessary components are supplied in the kit for
repairs, along with a key code book and instructions.
Key Lock Cylinder Components
ESTABLISHING LOCK CYLINDER CODE
When the lock cylinder or core number is not available the following procedure should be used to establish the code number.
1. Remove door lock cylinder from the vehicle.
2. Remove cover from cylinder and discard.
3. Remove each spring, driver and tumbler one at a time.
4. Measure and record the code using the code plate.
5. Reassemble the same tumbler, driver and spring if not damaged.
6. Continue the coding procedure through all sets of springs, drivers and tumblers.
7. Assemble a new cover.
