That being said, here's a general outline of the process. Specific steps and tools may vary slightly:
Tools You'll Likely Need:
* Small flathead screwdriver: For prying and possibly releasing retaining clips.
* Phillips head screwdriver: Potentially needed for screws holding trim pieces.
* Ignition key cylinder removal tool: This is crucial and specifically designed for your vehicle's year and model. You can find these at auto parts stores; make sure it's the correct tool for a 1998 Sunfire GT. Attempting this without the proper tool risks damage.
* Possibly a security bit: Some Sunfires may have security torx or other specialized screws.
* Penetrating oil (like PB Blaster): To help loosen any stuck parts.
* Gloves: To protect your hands.
General Steps (This is a simplified overview; consult a repair manual for detailed instructions):
1. Disconnect the battery: This is crucial to prevent accidental short circuits. Disconnect the negative (-) terminal first.
2. Remove steering column shrouds/trim: You'll likely need to remove some plastic trim around the steering column to access the ignition cylinder. This usually involves removing screws or carefully prying off clips. Be gentle to avoid breaking the plastic.
3. Access the ignition cylinder: Once the trim is removed, you should see the ignition cylinder. There will be a retaining ring, clip, or other mechanism securing the cylinder.
4. Use the ignition cylinder removal tool: This is where the specialized tool comes in. The tool will typically engage the cylinder and allow you to remove it. Refer to the tool's instructions carefully. This often involves inserting the tool and turning it slightly.
5. Remove the cylinder: Once the retaining mechanism is released using the tool, the cylinder should slide or pull out.
6. Reinstall (in reverse): Reassembly is the reverse of removal. Make sure everything is securely fastened.
7. Reconnect the battery: After everything is reassembled, reconnect the battery's positive (+) terminal.
Important Considerations:
* Repair Manual: A repair manual specific to a 1998 Pontiac Sunfire GT is highly recommended. It will provide detailed diagrams and instructions.
* Security: If your ignition cylinder has a theft deterrent system, the process may be more complex.
* Damage: Be very careful not to force anything. If a part is stuck, use penetrating oil and let it sit before attempting to remove it again.
This is a general overview, and the specifics might vary slightly. Consult a repair manual or a professional mechanic for the most accurate and safe procedure. Attempting this without proper knowledge and tools can cause significant damage.
