how to change rear drum brakes to disc

Upgrading Rear Drum Brakes to Disc Brakes A Comprehensive Guide

When it comes to vehicle braking systems, the transition from drum brakes to disc brakes is a popular upgrade among car enthusiasts and those seeking enhanced performance and safety. While drum brakes have served their purpose for decades, disc brakes typically offer superior stopping power, better heat dissipation, and improved maintenance. If you're considering making this upgrade, here's a comprehensive guide on how to change your rear drum brakes to disc brakes.

Understanding the Benefits

Before diving into the installation process, it's essential to recognize the benefits of upgrading to disc brakes. Disc brakes dissipate heat more effectively than drum brakes, reducing the chances of brake fade during prolonged use. This makes them particularly advantageous for performance vehicles or situations that require frequent braking—such as towing or off-road driving. Additionally, disc brakes tend to provide more consistent braking performance and require less maintenance over time.

Required Tools and Materials

To convert rear drum brakes to disc brakes, you'll need specific tools and parts, including

- A complete rear disc brake conversion kit (make sure it’s compatible with your vehicle model) - Socket and wrench set - Jack and jack stands - Brake cleaner - Torque wrench - Screwdriver set - Brake fluid

Step-by-Step Installation Process

1. Preparation Begin by parking your vehicle on a flat surface, engaging the parking brake, and placing wheel chocks around the front wheels for safety.

2. Raise the Vehicle Using a jack, lift the rear of your vehicle and secure it with jack stands. Remove the rear wheels to access the brakes.

3. Remove the Drum Brakes Take off the drum brake assembly, which may involve removing the brake shoes, springs, and any other components holding the drum in place. Be cautious as parts may spring out unexpectedly.

4. Inspect Components Before installing the new disk brakes, inspect your rear axle and other related components for wear. Ensure the area is clean and remove any rust or debris.

5. Install the Brake Caliper Bracket Follow the instructions provided with your disc brake conversion kit to properly mount the caliper bracket to the rear axle. Ensure it is aligned and torqued to the manufacturer’s specifications.

6. Attach the Disc Rotors Place the new disc rotors onto the hub. Make sure they are properly aligned and seated. Secure them using the bolts provided in your kit, again ensuring they are torqued to the recommended specifications.

7. Install the Brake Calipers Once the rotors are securely in place, attach the brake calipers. Ensure that the calipers slide smoothly on their mounting brackets and that the pads are correctly positioned.

8. Connect the Brake Lines If your kit includes a new set of brake lines, install these now. Be sure to follow your vehicle’s specifications to avoid any issues with brake pressure.

9. Bleed the Brake System After everything is installed, it’s vital to bleed the brake system to remove any air pockets. Start from the farthest wheel from the master cylinder and work your way closer. Ensure that brake fluid levels are maintained throughout the process.

10. Reassemble and Test Once bleeding is complete, reattach the wheels and lower your vehicle. Start the engine and pump the brakes a few times to seat the pads against the rotors before taking your car for a test drive.

Conclusion

Upgrading from rear drum brakes to disc brakes can significantly enhance your vehicle’s braking performance and reliability. Although this conversion requires some mechanical knowledge and tools, the benefits far outweigh the effort involved. Following this guide will help ensure a successful upgrade, leading to better safety and driving experience. Always remember to refer to specific instructions provided with your conversion kit for the best results, and when in doubt, consult a professional mechanic. Enjoy your enhanced and safer ride!