rear drum brakes to disc brakes conversion

Converting Rear Drum Brakes to Disc Brakes A Comprehensive Guide

The braking system of a vehicle is one of its most critical components, directly affecting overall safety and performance. While drum brakes have been a reliable choice for many years, a growing number of car enthusiasts and everyday drivers are opting to convert their rear drum brakes to disc brakes. This conversion not only enhances stopping power but also improves maintenance and aesthetics. In this article, we’ll explore the reasons for making the switch, the benefits of disc brakes, and a step-by-step guide on how to undertake this conversion.

Why Convert from Drum to Disc Brakes?

1. Improved Performance Disc brakes provide better stopping power, especially in high-performance situations. The design allows for better heat dissipation, which is crucial during heavy braking. Overheating can lead to brake fade in drum systems, whereas disc systems are more resistant to this phenomenon.

2. Maintenance Advantages Drum brakes are often more complex and can be more difficult to service. Disc brakes, on the other hand, are generally easier to inspect and replace. This simplicity can lead to reduced maintenance costs over time.

3. Aesthetic Appeal Disc brakes have a more modern look compared to traditional drum brakes. This can enhance the overall aesthetic of a vehicle, especially for those looking to customize or restore classic cars.

4. Better Wet Weather Performance Disc brakes tend to perform better in wet conditions. The open design allows water to escape more easily, reducing the chance of water buildup that can impair braking efficiency.

Understanding the Conversion Process

1. Research and Planning Start by researching the specific requirements for your vehicle make and model. Different vehicles may have unique considerations, and some might have kits available that are tailored for specific models.

2. Gather Necessary Parts You will need to procure the necessary components, which typically include - Disc brake rotors - Calipers and pads - Mounting brackets - Brake lines or hoses - A new parking brake system (if applicable)

3. Prepare the Vehicle Safely lift the vehicle using jack stands and remove the rear wheels to access the brake components. You may also need to remove the rear brake drums and associated hardware.

4. Install the New Components Begin by installing the new mounting brackets for the disc brake system. Next, attach the disc rotors and calipers. Ensure that they are securely fastened and that all necessary hardware is properly torqued.

5. Modify Brake Lines Connect the new brake lines or hoses to the calipers, ensuring that there are no leaks. It’s important to use high-quality brake fluid and bleed the brakes thoroughly to eliminate any air bubbles from the system.

6. Test the Parking Brake If the vehicle has a parking brake that needs to be modified for the disc setup, ensure it is functional before proceeding. This might involve installing a new mechanism if your conversion kit requires it.

7. Final Checks Once everything is installed, double-check all connections, bolts, and fittings. After reassembling the wheels, lower the vehicle, and perform a series of tests. Start with a slow roll to check for proper engagement, then gradually increase speed to test braking efficiency.

Conclusion

Converting from rear drum brakes to disc brakes can be a rewarding modification that improves your vehicle's performance, maintenance ease, and safety. While the project can be challenging, especially for those without extensive mechanical experience, the benefits of enhanced braking capabilities make it worthwhile. Always remember to consult your vehicle’s manual and, if necessary, seek professional assistance to ensure the job is done correctly. By investing time and effort into this conversion, you can significantly elevate your driving experience and enhance the longevity of your vehicle’s braking system.