Steps to Convert Drum Brakes to Disc Brakes for Improved Performance and Safety

How to Change Drum Brakes to Disc Brakes

Upgrading your vehicle's braking system from drum brakes to disc brakes can significantly improve braking performance, reduce stopping distances, and enhance overall safety. While the process can be complex, with the right tools and some mechanical knowledge, you can successfully make this upgrade. This article will guide you through the steps necessary to change drum brakes to disc brakes.

Understanding the Components

Before diving into the installation process, it’s essential to understand the difference between drum brakes and disc brakes. Drum brakes consist of a cylindrical drum that houses the brake shoes, which press against the inner surface of the drum when braking. In contrast, disc brakes feature a flat disc that the brake pads press against, offering better heat dissipation and performance under heavy braking.

Tools and Materials Needed

To change your brake system, you will need several tools and materials

- Jack and jack stands - Lug wrench - Brake cleaner - Socket set - Wrenches - Disc brake conversion kit (specific to your vehicle) - Brake fluid - Piston tool or C-clamp - Clean rags - Safety goggles and gloves

1. Prepare the Vehicle Start by parking your vehicle on a level surface, setting the parking brake, and removing the wheel covers if applicable. Loosen the lug nuts slightly but do not remove them entirely.

2. Lift the Vehicle Use a jack to lift the vehicle off the ground and secure it with jack stands. Remove the lug nuts completely and take off the wheels to access the braking system.

3. Remove the Drum Brakes Remove the drum brakes by taking off the retaining screws, if any, and carefully pulling the drum off the wheel hub. You may need to tap it gently with a hammer if it is stuck. Disconnect the brake lines attached to the wheel cylinder, allowing brake fluid to drain into a container.

4. Install the Disc Brake Components Follow the instructions provided in your disc brake conversion kit. Install the brake caliper bracket onto the spindle, ensuring it’s securely fastened. Next, attach the rotor to the hub. Be sure to clean any surfaces that will be in contact with the brake components using brake cleaner.

5. Install the Brake Caliper Install the brake caliper onto the bracket you just mounted. Make sure the brake pads are correctly positioned in the caliper, and then tighten the caliper bolts securely.

6. Connect the Brake Lines Attach the brake lines to the caliper, ensuring that you have the correct orientation for fluid flow. Be careful to avoid cross-threading the lines. Once connected, make sure all connections are tight to prevent leaks.

7. Bleed the Brakes After everything is securely installed, it's essential to bleed the brakes. This process removes any trapped air in the brake lines, which can compromise braking performance. Start at the wheel farthest from the master cylinder and work your way toward the nearest. Ensure you have an assistant to help with this process; they can pump the brake pedal while you open and close the bleeder valves.

8. Repeat for Other Wheels If your vehicle has disc brakes on the front and rear, repeat the above steps for the other set of wheels, ensuring that you maintain consistency in installation.

9. Test the System Before driving, pump the brake pedal a few times to ensure it feels firm. Check the fluid level in the master cylinder and top it off if necessary. Finally, test the brakes at a low speed in a safe area, ensuring everything works correctly.

Conclusion

Changing from drum brakes to disc brakes is a worthy investment that can greatly improve your vehicle's performance and safety. While this project requires technical knowledge and precision, following the steps outlined above can lead to successful installation. Always consult your vehicle’s service manual and consider seeking assistance if you encounter challenges. By upgrading to disc brakes, you enhance not just your driving experience, but also your safety on the road.