Removing the Rear Brake Drum A Step-by-Step Guide
When it comes to vehicle maintenance and repair, the braking system is one of the most critical components to address. One of the variables in a drum braking system is the brake drum itself, which can wear out over time and may need to be replaced. If you're considering removing the rear brake drum for inspection or replacement, this guide will walk you through the process step by step, ensuring you perform the task safely and effectively.
Tools and Materials Needed
Before you begin, it’s essential to have the right tools and materials at hand. Here’s a basic list to get you started
1. Jack and Jack Stands To lift the vehicle safely. 2. Lug Wrench For removing the wheel bolts. 3. Brake Drum Removal Tool This can make lifting the drum much easier. 4. Screwdriver A flathead screwdriver may be required. 5. Brake Cleaner To clean any dust or debris. 6. Rust Penetrant Useful if the drum is stuck. 7. Gloves and Safety Goggles For safety precautions.
Preparation Steps
Before you start the removal process, ensure you are parked on a level surface and engage the parking brake. It's advisable not to work on your vehicle alone, as having an extra set of hands can be beneficial.
1. Loosen the Wheel Bolts Using the lug wrench, slightly loosen the bolts on the rear wheel while it’s still on the ground to prevent it from spinning.
2. Lift the Vehicle Use a jack to lift the rear of the vehicle. Make sure to secure the vehicle with jack stands for safety.
3. Remove the Wheel Once the vehicle is safely elevated, remove the wheel bolts completely and take off the wheel to expose the brake drum.
Removing the Brake Drum
Now that you have access to the brake drum, it’s time to start the removal process.
1. Inspect the Drum Before removing it, check for any visible signs of wear or damage. If the drum is cracked or excessively worn, it may need to be replaced rather than just serviced.
2. Look for Retaining Screws Some drums have screws that secure them in place. If applicable, remove these screws before proceeding.
3. Check for Adjustment Mechanism If the drum is resistant to removal, it might be because the brake shoes are still slightly expanded against the drum. You may need to adjust the brake shoes by locating the adjuster wheel and turning it in the opposite direction (usually downward) to retract the shoes.
4. Use a Removal Tool If the drum still won’t budge, apply a bit of rust penetrant where the drum meets the axle. After letting it sit for a few minutes, use a brake drum removal tool. This tool can help you pull the drum off without causing damage.
5. Remove the Drum Once all mechanisms are loose, gently pull the brake drum straight off the hub. Be careful, as brake dust can be harmful, and it’s a good idea to wear a mask or respirator during this process.
Inspect and Clean
After removing the brake drum, inspect the brake shoes, springs, and other components for wear or damage. If the shoes are worn down, consider replacing them. Use brake cleaner to clean the inside of the drum and surrounding areas to remove dust and debris.
Reinstallation Steps
If you are simply inspecting, reinstallation is the reverse of removal.
1. Place the drum back in its original position. 2. Reinstall any screws and adjust any brake components as necessary. 3. Refit the wheel and secure it with lug bolts, using the lug wrench to tighten them properly. 4. Lower the vehicle back to the ground, and ensure everything is secure.
Conclusion
Removing the rear brake drum can be a straightforward process, but it requires careful attention to detail and safety. By following this guide, you’ll ensure that you not only remove the drum successfully but also take the necessary steps to maintain your vehicle's braking system effectively. Whether you’re a seasoned mechanic or a novice DIYer, gaining hands-on experience with drum brakes is invaluable, and will undoubtedly contribute to your skills in vehicle maintenance.