Here's a general overview of the process. Proceed at your own risk.
Tools You'll Need:
* Jack and jack stands (Safety First! Never work under a vehicle supported only by a jack.)
* Wheel chocks
* Socket wrench set (metric)
* Wrenches (metric)
* Brake cleaner
* Wire brush
* Pliers
* Screw drivers (possibly Phillips and flathead)
* C-clamp or similar clamping device (for drum spring compression)
* New parking brake shoes and hardware (ensure they are the correct part for your vehicle)
* Grease
* Safety glasses and gloves
Steps (General Outline - Refer to your repair manual for specifics):
1. Safety First: Park the Explorer on a level surface, engage the emergency brake (not the parking brake you're about to repair!), chock the wheels, and use jack stands to securely lift the vehicle.
2. Remove the Wheel: Remove the wheel at the affected side.
3. Remove the Drum: Usually, there's a retaining clip or some retaining hardware around the drum. Remove this. Depending on the level of rust, it may require some penetrating oil and persuasion with a hammer and punch to separate the drum from the backing plate.
4. Inspect the Components: Once the drum is off, carefully inspect the parking brake shoes, springs, and other components for wear, damage, or corrosion.
5. Compress the Spring: This is often the most difficult part. The springs hold the shoes in place, and they are under significant tension. Use a C-clamp or a specialized spring compressor tool (highly recommended) to compress the springs and allow for removal of the old shoes. Be extremely cautious; these springs can snap back with considerable force and cause injury.
6. Remove Old Shoes: Once the springs are compressed, carefully remove the old parking brake shoes. Take note of how everything is assembled; take pictures if needed.
7. Install New Shoes: Install the new parking brake shoes, ensuring they are properly seated and aligned.
8. Reassemble the Springs: Release the spring compressor slowly and carefully. Ensure the springs are properly seated and engage with the shoes and backing plate. Again, pay close attention to the proper orientation and configuration as observed during disassembly.
9. Adjust the Parking Brake: Most 2002 Ford Explorers have an automatic adjuster. However, you may need to manually adjust the parking brake using the adjuster located near the backing plate. Your repair manual will show you how to do this.
10. Reinstall the Drum: Carefully reinstall the brake drum, ensuring it fits smoothly.
11. Reinstall the Wheel: Replace the wheel and tighten the lug nuts to the manufacturer's specified torque.
12. Test the Parking Brake: Lower the vehicle. Test the parking brake several times to ensure it's functioning properly. If it's not working, you may need to further adjust it.
13. Test Drive: Take a short test drive to ensure the parking brake is effective and the vehicle brakes are working correctly.
Important Considerations:
* Repair Manual: A repair manual specific to your 2002 Ford Explorer is absolutely essential. This guide is only a very general overview.
* Safety: Working on brakes is serious business. If you are not comfortable with this type of repair, take it to a qualified mechanic. Brake failure can have devastating consequences.
* Parts: Make sure you order the correct parking brake shoes and any other necessary hardware for your specific vehicle model.
This is a complex procedure with many potential pitfalls. If you are not confident in your abilities, it's strongly recommended that you take your vehicle to a qualified mechanic for this repair. Improperly adjusted or installed brakes are a serious safety hazard.
