However, if you're determined to tackle this yourself, be aware of the significant risks and proceed with extreme caution. Here's a general outline, but this is NOT a complete, step-by-step guide. You'll need a detailed repair manual specific to your 1995 Cadillac Sedan DeVille.
Before You Begin:
* Safety First: Disconnect the negative battery terminal. This is crucial to prevent accidental airbag deployment or electrical shorts.
* Repair Manual: Obtain a factory service manual or a reputable aftermarket repair manual specific to your vehicle's year and model. This will provide detailed diagrams, torque specifications, and crucial procedural information.
* Tools: You'll need a variety of tools, including sockets, wrenches, screwdrivers, a torque wrench, and possibly specialized tools for disconnecting the steering column components.
* Knowledge: Familiarize yourself with the airbag system and its components. Accidental deployment can cause severe injury.
General Steps (Highly Simplified and Incomplete):
1. Steering Wheel Removal: Disconnect the battery. The steering wheel will likely need to be removed. This often involves removing the airbag (extremely dangerous – proceed with caution and consult your repair manual), then removing the steering wheel nut and the wheel itself.
2. Column Disconnect: This is the most challenging part. You'll need to disconnect various components connected to the steering column, including:
* Steering shaft: This will likely require separating the shaft from the steering gear box.
* Wiring harnesses: Carefully disconnect all electrical connectors from the column. Take photos or make notes to ensure proper reconnection.
* Shift lever linkage (if applicable): Disconnect the linkage that connects the column to the transmission or automatic shift mechanism.
* Ignition switch: This will need to be carefully removed and the wiring disconnected.
* Column support brackets and fasteners: The column is secured by various brackets and bolts. Carefully remove these, noting their location and order.
3. Column Removal: Carefully lower the steering column from its mounting points.
4. Installation of New Column: Follow the removal steps in reverse order, carefully installing the new steering column and connecting all components. Ensure that everything is properly aligned and securely fastened.
5. Steering Wheel Reinstallation: Reinstall the steering wheel and airbag (again, extremely dangerous – consult your repair manual).
6. Reconnect Battery: Reconnect the battery.
7. Alignment: You may need a wheel alignment after this procedure.
Crucial Considerations:
* Airbag System: The airbag system is extremely dangerous if handled incorrectly. Consult your repair manual carefully and consider seeking professional help for this part of the job.
* Torque Specifications: Use a torque wrench to tighten all bolts to the manufacturer's specifications. Improper tightening can damage components or lead to unsafe conditions.
* Wiring: Take detailed photos or notes of the wiring harness connections before disconnecting them. Incorrect reconnection can lead to electrical problems or damage to the vehicle's systems.
Again, this is a highly simplified overview. This is a complex and potentially dangerous repair. It's strongly recommended that you seek professional assistance from a qualified mechanic. Attempting this without proper knowledge and tools can result in serious injury or damage to your vehicle.