If you are having trouble with the key, wiggle several times to find the right spot to turn, you don't need lock cylinder. You need new key cut from the VIN by the dealer. Key gets worn down so making another copy wont work. I owned a fleet of these cars as rentals and I've done this many times.
No i have a 2002 malibu that had the same problem when i checked it was the park lock switch that was causing it
how to replace actuator on a 2000 malibu
how to replace ignition lock for 1999 vw beetle
To replace the ignition switch in a 1999 Chevy Malibu, first disconnect the negative battery cable to ensure safety. Then, remove the steering column covers by unscrewing the screws, and detach the ignition lock cylinder by turning it to the "Run" position and pressing the release pin. After that, unbolt the ignition switch from its mounting and disconnect the wiring harness. Finally, install the new ignition switch, reassemble the steering column, and reconnect the battery.
remove center bezel and ignition lock cover and remove the 4 screws and unplug connectors and antenna lead in rear of radio
How I can replace ignition switch cylinder from Isuzu Rodeo?.
No, not if it is not defective. If the ignition switch is defective then that is all you need to replace.
Removing a ignition lock cylinder from a 2002 ford windstar with no key
The wheel should lock when you take the key out of the ignition. If it doesn't, there's something wrong.
no the switch can be independly remove from the back side of the ignition lock
How do I replace an Ignition in a 1970 Maverick
Replace the ignition lock cylinder.