How to Get a Stuck Rear Brake Drum Off

Removing a stuck rear brake drum can be a challenging task, especially if you've never done it before. However, with the right tools and techniques, you can effectively free the drum without causing damage to your vehicle. Here’s a step-by-step guide to help you through the process.

Understanding Why Brake Drums Get Stuck

Brake drums can become stuck for several reasons. Over time, rust can develop on the drum and the brake shoes, especially if the vehicle is exposed to moisture. Additionally, if the brake shoes wear down unevenly or if there’s a buildup of debris, the shoes can bind to the drum. It’s important to approach the task carefully to avoid damaging the components.

Tools You’ll Need

Before you start, gather the following tools - Lug wrench To remove the wheel. - Brake drum puller This specialized tool can help you safely apply the necessary force. - Hammer A rubber or dead-blow hammer works best for gently tapping. - Pliers For any cable or shoe adjustments. - Brake cleaner To clean any debris if necessary.

Step-by-Step Guide

1. Safety First Ensure the vehicle is parked on a flat surface, and engage the parking brake. Wear safety glasses to protect your eyes from debris.

2. Remove the Wheel Use the lug wrench to remove the lug nuts and take off the wheel. This will expose the brake drum.

3. Inspect the Brake Drum Check if the drum is stuck due to rust or debris. Sometimes a visual inspection can reveal obvious issues.

4. Use Brake Cleaner If you see any dirt or debris on the drum, spray it with brake cleaner. This will help wash away any buildup that might be causing the drum to stick.

5. Apply Force If the drum still doesn’t budge, it’s time to use a brake drum puller. Attach the puller to the holes in the drum and ensure it is tightly secured. Gradually turn the puller’s screw to apply pressure.

6. Tap Gently In conjunction with the puller, gently tap around the circumference of the drum with a hammer. This can help break the rust bond without damaging the drum.

7. Remove the Drum Once you’ve applied sufficient force and tapped it, the drum should start to loosen. If it starts to move, continue pulling it off until it's completely free.

8. Inspect the Components After removing the drum, inspect the brake shoes and other components for wear or damage. This is a good time to replace any worn parts.

9. Reassemble Once you've completed your work, reassemble the brake components and install the wheel. Ensure everything is tightened and secure.

10. Test Your Brakes Before driving, pump the brake pedal to ensure the shoes are properly seated against the drum.

Conclusion

Removing a stuck rear brake drum may require patience and the right tools, but by following the steps outlined above, you can accomplish this task safely and effectively. Always remember to prioritize safety and take your time to avoid damaging any components. If you find yourself struggling despite following these steps, it may be best to consult a professional mechanic for assistance.