how to get a stuck rear brake drum off

How to Get a Stuck Rear Brake Drum Off

Removing a stuck rear brake drum can be a frustrating task, especially if you lack the right techniques or tools. However, with patience and the right approach, you can successfully get that brake drum off and continue with your brake service or replacement. Here’s a step-by-step guide to help you tackle this issue.

Understand Why the Drum is Stuck

Before diving into the removal process, it's essential to understand why your rear brake drum may be stuck. Common reasons include rust, debris accumulation, or the brake shoes being slightly out of alignment. With drum brakes, the shoes can expand and create friction against the inner surface of the drum, making it difficult to remove.

Essential Tools Needed

You’ll need some essential tools for this job, including

- A lug wrench - A rubber mallet or a hammer - A brake drum puller (if available) - Brake cleaner - A flat-head screwdriver - Safety goggles and gloves

1. Ensure Safety First Make sure the vehicle is parked on a flat surface. Engage the parking brake and wear safety goggles and gloves to protect yourself during the process.

2. Remove the Wheel Use the lug wrench to loosen and remove the lug nuts on the wheel that covers the drum. Once loosened, remove the wheel from the vehicle.

3. Inspect the Drum Check for visible damage or signs of rust on the brake drum. If there's significant rust, it may require extra effort to remove the drum.

4. Attempt to Remove the Drum Gently tap the outer edge of the drum using a rubber mallet or hammer. Be careful not to damage the drum. This can help break any rust or debris that may be holding it in place.

5. Use a Brake Drum Puller If the drum still doesn’t budge, it may be time to use a brake drum puller. Attach the puller to the drum according to the manufacturer's instructions. Gradually tighten the puller’s screw. This tool applies even pressure and can help remove those stubborn drums.

6. Adjust the Brake Shoes If the shoes are adjusted too tightly against the drum, you may need to turn the adjusting wheel to back them off. Look for a small access port on the back of the brake assembly to gain access to the adjuster.

7. Clean and Lubricate Before re-installing the drum (if you're not replacing it), clean the surface with brake cleaner to remove any dirt or rust. You can also apply a small amount of high-temperature grease on the mating surfaces to prevent future sticking.

8. Reassemble the Wheel Once you have successfully removed (or replaced) the drum, place your wheel back on. Hand-tighten the lug nuts, and lower the vehicle. Finally, use the lug wrench to fully tighten the nuts in a crisscross pattern for even distribution.

9. Test the Brakes Once everything is reassembled, pump the brake pedal a few times to ensure the system is functioning correctly. Before taking the vehicle back on the road, test the brakes at low speeds to confirm that they are working properly.

Conclusion

Although removing a stuck rear brake drum can present challenges, using the right tools and techniques can simplify the process. Remember, if you feel unsure or the drum remains stubborn despite your efforts, don’t hesitate to consult a professional mechanic. Regular maintenance and inspections can prevent such issues in the future, ensuring a safe driving experience.