how to convert brake drum to disc brakes

Converting Brake Drum to Disc Brakes A Comprehensive Guide

Braking systems play a crucial role in vehicle safety, and the choice between drum and disc brakes can significantly impact performance. If you're considering upgrading your vehicle from drum brakes to disc brakes, this guide will walk you through the advantages, necessary components, and the steps involved in the conversion process.

Advantages of Disc Brakes

1. Improved Stopping Power Disc brakes provide better stopping power than drum brakes, especially in high-performance driving conditions. Their design allows for greater heat dissipation, which helps maintain braking efficiency even during prolonged use.

2. Better Modulation Disc brakes typically offer better feedback and modulation, allowing drivers to apply brakes more smoothly and with greater precision. This is particularly important in emergency situations where controlled braking is crucial.

3. Reduced Brake Fade Drum brakes can suffer from brake fade when they overheat. In contrast, the design of disc brakes allows for better cooling, minimizing the risk of fade during heavy usage.

4. Easier Maintenance Disc brakes are generally easier to maintain and inspect than drum brakes. With their open design, components can be inspected visually without needing to disassemble the entire braking system.

5. Aesthetic Appeal Many car enthusiasts prefer the look of disc brakes over the bulkiness of drum brakes. A conversion can improve the overall appearance of your vehicle's wheel wells.

Components Needed for Conversion

To convert from drum brakes to disc brakes, you will need several components. Depending on your vehicle model, some parts may need to be sourced from aftermarket suppliers or junkyards

1. Disc Brake Calipers These are essential for clamping the brake pads against the rotors to create friction. 2. Brake Rotors These replace the drum and are mounted on the wheel hub. 3. Brake Pads New pads will be necessary as they are designed to work specifically with disc rotors. 4. Mounting Brackets These are required to attach the calipers to the vehicle’s suspension. 5. Brake Lines Upgraded or longer brake lines may be needed to accommodate the new setup, along with necessary fittings. 6. Master Cylinder Depending on your vehicle, you might need to upgrade the master cylinder to ensure it can handle the increased pressure required by disc brakes. 7. Shielding and Hardware Dust shields or backing plates may be required for the new setup, along with various nuts and bolts.

1. Assess Your Vehicle Before beginning the conversion, assess your vehicle to determine what specific components you will need. Consult your service manual and consider reaching out to a professional if you are uncertain about any aspect of the conversion.

2. Gather Tools and Components Collect all necessary components and tools. You’ll typically need wrenches, a jack, jack stands, a brake bleeder kit, and basic hand tools.

3. Remove the Old Drum Brake System Start by lifting the vehicle and securing it on jack stands. Remove the wheels, then detach the drum brake assembly. This includes removing the brake drum, shoes, springs, and other associated hardware.

4. Install the New Disc Brake Setup - Start by attaching the new brake rotor to the wheel hub. - Install the mounting bracket for the caliper and attach the caliper itself. - Place the new brake pads into the caliper, ensuring they are oriented correctly. - Connect the brake lines to the caliper, ensuring there are no leaks.

5. Modify the Master Cylinder (if necessary) If your vehicle requires a new master cylinder, replace it, making sure to properly bleed the brake lines to remove any air and ensure optimal braking performance.

6. Test the Brakes With everything installed, press the brake pedal several times to seat the pads against the rotors. Check for any leaks and make sure everything is functioning correctly. Test drive the vehicle at low speeds to ensure the new braking system operates effectively.

Conclusion

Converting from drum brakes to disc brakes is an excellent way to enhance your vehicle's performance and safety. With the right tools, components, and a bit of mechanical know-how, you can undertake this upgrade yourself. However, if you feel uncomfortable or unsure during any step of the process, don’t hesitate to consult a professional mechanic. Enjoy the benefits of improved braking power and responsiveness on your drives!