Tools You'll Likely Need:
* Repair Manual: Absolutely essential. Provides diagrams, torque specs, and specific procedures.
* Socket Set: Various sizes, including metric and possibly standard.
* Screwdrivers: Phillips and flathead, various sizes.
* Pliers: Needle-nose and regular.
* Wire Strippers/Crimpers: If you need to splice wires.
* Wrench Set: May be needed depending on the access.
* Electrical Tape: To secure any wires.
* Penetrating Oil (like PB Blaster): To help loosen any rusted or seized fasteners.
* Safety Glasses: Protect your eyes.
* New Ignition Switch Actuator: Ensure you purchase the correct replacement part for your vehicle.
General Steps (Consult Your Repair Manual for Precise Details):
1. Disconnect the Battery: This is crucial to prevent electrical shorts and injury. Disconnect the negative (-) terminal first.
2. Steering Column Access: You'll likely need to remove the lower steering column shroud and possibly the steering wheel. This is often secured with bolts and/or screws. The repair manual will show you how to safely remove the steering wheel and airbag (if equipped, though unlikely on an '86 Riviera). Be extremely cautious when working near the steering column.
3. Ignition Switch Access: Once the column shrouds are removed, you should have access to the ignition switch assembly. There will likely be screws or fasteners holding the switch in place.
4. Remove the Ignition Switch: Carefully disconnect any electrical connectors attached to the switch. Take pictures or make notes of the wire placement before disconnecting. This step may require some finesse to avoid damaging the connectors.
5. Replace the Actuator: The actuator is usually part of the ignition switch assembly. In some cases, it might be a separate component that can be removed and replaced within the assembly. Your repair manual will provide specific details on how to replace the actuator.
6. Reinstall the Ignition Switch: Carefully reverse the removal steps, ensuring all electrical connectors are securely reconnected and all fasteners are tightened to the proper torque specifications (found in your repair manual).
7. Reconnect the Battery: Reconnect the positive (+) terminal last.
8. Test: Try the ignition switch to ensure it functions correctly. If not, double-check all your connections.
Important Considerations:
* Electrical Connections: These are delicate. Take your time and be careful not to damage them.
* Torque Specifications: Over-tightening or under-tightening bolts can lead to damage. Use the torque specifications from your repair manual.
* Security: The ignition switch is a security component. If you're not comfortable with this repair, take your vehicle to a qualified mechanic.
This is a complex task. Attempting this without a repair manual and experience could lead to damaging your vehicle. It's strongly recommended to consult a professional mechanic if you are unsure about any step of the process. The cost of professional repair might be less than the cost of damaging your vehicle.
