Grand Marquis V8-4.6L Flex Fuel (2010)
Ignition Switch Lock Cylinder: Service and Repair
Ignition Lock Cylinder - Non Functional
Ignition Lock Cylinder - Non Functional
Removal and Installation
1. Disconnect the battery. For additional information, refer to Battery.
2. Remove the steering wheel. For additional information, refer to Steering Column.
3. Remove the tilt wheel handle and shank.
4. Remove the 3 screws and the lower steering column shroud.
5. If equipped, position the shift selector boot aside.
6. Twist off the cap from the ignition lock cylinder.
7. Release the tabs and slide the Passive Anti-Theft System (PATS) transceiver off the steering column.
8. Disconnect the electrical connector and remove the PATS transceiver.
9. Use a 1/8-inch diameter drill bit to drill out the lock cylinder retaining pin.
10. Use a 3/8-inch diameter drill to drill down the middle of the ignition lock cylinder key slot until the ignition lock cylinder breaks loose.
11. Remove and discard the ignition lock cylinder and drill shavings from the steering column.
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Thoroughly clean all drill shavings from the steering column and inspect it for damage.
12. To install, reverse the removal procedure.
