Here's a general outline of the process. This is NOT a detailed, step-by-step instruction, and variations exist depending on the specific Sable model. Refer to a repair manual specific to your vehicle year and model for detailed instructions and diagrams. A Haynes or Chilton manual is a good investment for this type of work.
Caution: Always disconnect the negative battery terminal before starting any work on the steering column.
1. Steering Wheel Removal: This usually involves removing the steering wheel. You'll need a steering wheel puller (a specialty tool) to safely remove the wheel. The airbag will likely need to be disconnected and carefully removed first. This is a crucial step requiring careful attention to avoid deploying the airbag, which can cause serious injury. Consult a repair manual for the specific procedure for your vehicle.
2. Steering Column Shroud Removal: Once the steering wheel is off, you'll have access to the steering column shroud. This is usually held on by screws and clips. Remove these carefully to access the internal components.
3. Switch Access: With the shroud removed, you should be able to locate the power steering switch. It may be part of a larger combination switch or a separate unit. Refer to your repair manual for its exact location.
4. Switch Disconnection and Removal: Carefully disconnect the electrical connectors to the switch. Take photos or make notes to remember their positions for reassembly. The switch itself might be held in place by screws, clips, or a retaining ring. Remove it carefully.
5. Installation: Install the new switch, making sure it's properly seated and all connectors are reattached securely.
6. Reassembly: Carefully reassemble the steering column shroud, steering wheel, and airbag in the reverse order of removal. Again, the airbag must be handled carefully.
7. Reconnecting Battery: Reconnect the negative battery terminal.
8. Testing: Test the power steering switch to ensure it's working correctly.
Tools you will likely need:
* Torque wrench
* Steering wheel puller
* Socket set
* Screwdrivers (Phillips and flathead)
* Wire harness connector removal tools
* Repair manual specific to your 2001 Mercury Sable 3.0L
Disclaimer: This information is for general guidance only. Improperly performing this repair could lead to damage to your vehicle or personal injury. If you are not comfortable with this type of repair, take your vehicle to a qualified mechanic. They have the proper tools, knowledge, and experience to do the job safely and correctly.
