However, if you're determined to do it yourself, here's a *general overview* of the steps involved. This is not a comprehensive guide and should not be considered a substitute for professional advice and a repair manual specific to your vehicle's year and model.
Before You Begin:
* Consult a repair manual: A Haynes or Chilton manual specific to your 2001 Ford Windstar is crucial. It will provide detailed instructions, diagrams, torque specifications, and wiring schematics.
* Safety First: Disconnect the negative battery terminal before starting any work on the electrical system.
* Gather Tools: You'll need a variety of tools, including sockets, wrenches, screwdrivers, possibly a scan tool to bleed the system, and potentially a specialized ABS module connector removal tool.
General Steps (Highly Simplified):
1. Disconnect the Battery: Disconnect the negative battery terminal.
2. Access the ABS Module: This typically involves removing parts like the wheel well liner, underbody panels, and possibly components around the ABS module itself. The location varies slightly depending on the exact model and trim. Your repair manual will show you the precise location and steps.
3. Disconnect Electrical Connections: Carefully disconnect all electrical connectors from the ABS module. Take pictures or make notes to remember how everything is connected for reassembly. Some connectors might require special tools for removal to prevent damage.
4. Disconnect Hydraulic Lines: Carefully disconnect the hydraulic lines connected to the ABS module. You'll likely need to collect the fluid that will leak out. Be prepared to deal with brake fluid (it's corrosive).
5. Remove the ABS Module: Once all connections are disconnected, carefully remove the ABS module from its mounting bracket.
6. Install the New ABS Module: Install the new ABS module, ensuring it's securely mounted.
7. Reconnect Hydraulic Lines: Carefully reconnect the hydraulic lines, ensuring they are tightly secured and no leaks are present.
8. Reconnect Electrical Connections: Reconnect all electrical connectors, carefully matching them to their respective locations.
9. Reconnect the Battery: Reconnect the negative battery terminal.
10. Bleed the Brakes: This is critical. Air in the brake lines can significantly impair braking performance. You might need a pressure bleeder or a helper to effectively bleed the brakes. The procedure will be detailed in your repair manual.
11. Scan for Codes: Use a scan tool to check for any diagnostic trouble codes (DTCs) related to the ABS system. This helps verify proper installation and identify any lingering issues.
Important Considerations:
* Used vs. New Module: Consider the source and warranty of a replacement module, especially if purchasing a used one. A faulty module can lead to further problems.
* Programming: Some ABS modules may require programming to match your vehicle's specifications. This usually requires specialized equipment and software available only at dealerships or certain repair shops.
* Fluid Compatibility: Use the correct type of brake fluid specified by your vehicle's manufacturer.
Again, this is a highly simplified overview. Attempting this repair without the proper knowledge, tools, and resources can be extremely dangerous. Brake system malfunctions can lead to serious injury or death. Seek professional help for this repair.